Michael Tilson Thomas, conductor

Michael Tilson Thomas is Co-Founder and Artistic Director Laureate of the New World Symphony, America’s Orchestral Academy; Music Director Laureate of the San Francisco Symphony; and Conductor Laureate of the London Symphony Orchestra. In addition to these posts, he maintains an active presence guest conducting with the major orchestras of Europe and the United States.

Born in Los Angeles, Mr. Tilson Thomas is the third generation of his family to follow an artistic career. His grandparents, Boris and Bessie Thomashefsky, were founding members of the Yiddish Theater in America. His father, Ted Thomas, was a producer in the Mercury Theater Company in New York before moving to Los Angeles where he worked in films and television. His mother, Roberta Thomas, was the head of research for Columbia Pictures.

Mr. Tilson Thomas began his formal studies at the University of Southern California, where he studied piano with John Crown, and conducting and composition with Ingolf Dahl. At age 19 he was named Music Director of the Young Musicians Foundation Debut Orchestra. During this same period, he was the pianist and conductor in master classes of Gregor Piatigorsky and Jascha Heifetz and worked with Stravinsky, Boulez, Stockhausen and Copland on premieres of their compositions at Los Angeles’ Monday Evening Concerts.

In 1969, after winning the Koussevitzky Prize at Tanglewood, he was appointed Assistant Conductor of the Boston Symphony Orchestra. That year he also made his New York debut with the Boston Symphony and gained international recognition after replacing Music Director William Steinberg in mid-concert. He was later appointed Principal Guest Conductor of the Boston Symphony Orchestra where he remained until 1974. He was Music Director of the Buffalo Philharmonic from 1971 to 1979 and a Principal Guest Conductor of the Los Angeles Philharmonic from 1981 to 1985. His guest conducting includes appearances with the major orchestras of Europe and the United States.

Mr. Tilson Thomas is a two-time Carnegie Hall Perspectives artist, curating and conducting series at the hall from 2003 to 2005 and from 2018 to 2019. In the most recent series, he led Carnegie Hall’s National Youth Orchestra of the United States of America both at the hall and on tour in Asia, opened the Carnegie Hall season over two evenings with the San Francisco Symphony, conducted two programs with the Vienna Philharmonic and finished with a pair of concerts leading the New World Symphony.

A winner of eleven Grammy Awards, Mr. Tilson Thomas appears on more than 120 recordings. His discography includes The Mahler Project, a collection of the composer’s complete symphonies and works for voice and orchestra performed with the San Francisco Symphony, in addition to pioneering recordings of music by Charles Ives, Carl Ruggles, Steve Reich, John Cage, Ingolf Dahl, Morton Feldman, George Gershwin, John McLaughlin and Elvis Costello. His recordings span repertoire from Bach and Beethoven to Debussy and Stravinsky, and from Sarah Vaughan to Metallica.

His television work includes a series with the London Symphony Orchestra for BBC Television, broadcasts of the New York Philharmonic Young People’s Concerts from 1971 to 1977 and numerous productions on PBS’s Great Performances. With the San Francisco Symphony, he created a multi-tiered media project, Keeping Score, which includes a television series, web sites, and radio programs. He received a Peabody Award for his SFS Media radio series The MTT Files.

Mr. Tilson Thomas’s compositions are published by G. Schirmer. In 1991, he and the New World Symphony were presented in a series of benefit concerts for UNICEF in the United States, featuring Audrey Hepburn as narrator of his work From the Diary of Anne Frank, which was commissioned by UNICEF. This piece has since been translated and performed in many languages worldwide. In August 1995, he led the Pacific Music Festival Orchestra in the premiere of his composition Shówa/Shoáh, commemorating the 50th anniversary of the bombing of Hiroshima. His vocal music includes settings of poetry by Walt Whitman and Emily Dickinson, which were premiered by Thomas Hampson and Renée Fleming, respectively. In 2016, Yuja Wang premiered his piano piece You Come Here Often?.

Mr. Tilson Thomas' song cycle Four Preludes on Playthings of the Wind, a setting of Carl Sandburg’s poem, was premiered in 2016 by the New World Symphony, with Measha Brueggergosman as soloist. In 2019 the piece was recorded for Medici.tv at the New World Center and given its New York premiere as part of Mr. Tilson Thomas’s second Carnegie Hall Perspectives series. His first Perspectives series also featured performances of his own compositions, including Island Music for four marimbas and percussion; Notturno for solo flute and strings, featuring soloist Paula Robison; and new settings of poems by Rainer Maria Rilke. In 2020, he led the San Francisco Symphony in the world premiere of his six-part song cycle Meditations on Rilke, and he subsequently conducted the work at the Cleveland Orchestra. Additional compositions include Street Song for brass instruments; Agnegram, an overture for orchestra; and Urban Legend, a concerto for contrabassoon that was premiered by the San Francisco Symphony. In June 2020, SFS Media released an album of works composed by Mr. Tilson Thomas, featuring live concert recordings of From the Diary of Anne Frank, narrated by mezzo-soprano Isabel Leonard, and Meditations on Rilke, sung by mezzo-soprano Sasha Cooke and bass-baritone Ryan McKinny.

Mr. Tilson Thomas is an Officier de l’Ordre des Arts et des Lettres of France, is a member of the American Academy of Arts and Sciences, was Musical America’s Musician of the Year and Conductor of the Year, was Gramophone magazine’s Artist of the Year and has been profiled on CBS’s 60 Minutes and ABC’s Nightline. He has been awarded the National Medal of Arts, has been inducted into the California Hall of Fame and the American Academy of Arts and Letters, and was a 2019 recipient of the Kennedy Center Honors.

Roberto Díaz, viola

A violist of international reputation, Roberto Díaz is president and chief executive officer of the Curtis Institute of Music, following in the footsteps of renowned soloist/directors such as Josef Hofmann, Efrem Zimbalist and Rudolf Serkin. As a teacher of viola at Curtis and former principal viola of The Philadelphia Orchestra, Mr. Díaz has already had a significant impact on American musical life and continues to do so in his dual roles as performer and educator. 

As a soloist, Mr. Díaz collaborates with leading conductors of our time on stages throughout North and South America, Europe and Asia. He has also worked directly with important 20th- and 21st-century composers, including Krzysztof Penderecki, whose Viola Concerto he has performed numerous times with the composer on the podium and whose Double Concerto he premiered in the United States during the 2013-14 season; and Edison Denisov, who invited Mr. Díaz to Moscow to work on and perform his Viola Concerto. Ricardo Lorenz and Roberto Sierra have written concertos for Mr. Díaz and he premiered a concerto by Jennifer Higdon in 2015. 

As a frequent recitalist, Mr. Díaz enjoys collaborating with young pianists, bringing a fresh approach to the repertoire and providing invaluable opportunities to artists at the beginning of their careers. In addition to performing with major string quartets and pianists in chamber music series and festivals worldwide, Mr. Díaz has toured Europe, Asia and the Americas a member of the Díaz Trio with violinist Andrés Cárdenes and cellist Andrés Díaz. The Díaz Trio has recorded for the Artek and Dorian labels. 

Mr. Díaz’ recordings on the Naxos label with pianist Robert Koenig include the complete works for viola and piano by Henri Vieuxtemps and a Grammy-nominated disc of viola transcriptions by William Primrose. Also on Naxos are the Brahms sonatas with Jeremy Denk and Jonathan Leshnoff’s Double Concerto with violinist Charles Wetherbee and the Iris Chamber Orchestra led by Michael Stern. On the New World Records label is a live recording of Mr. Díaz’ performance of Jacob Druckman's Viola Concerto with Wolfgang Sawallisch and The Philadelphia Orchestra. Upcoming releases include the Walton Viola Concerto with the New Haven Symphony and William Boughton (Nimbus) and the Viola Concerto by Peter Lieberson with the Odense Symphony Orchestra and Scott Yoo (Bridge Records). 

Since founding Curtis On Tour six seasons ago, Mr. Díaz has taken the hugely successful program to North and South America, Europe and Asia, performing chamber music side-by-side with Curtis students and other faculty and alumni of the school. In addition to Curtis On Tour, his tenure as president of Curtis has seen the construction of a significant new building which doubled the size of the school’s campus, the introduction of classical guitar and string quartet programs, the launch of Curtis Summerfest which is open to the public and the debut of an online stage called Curtis Performs. In the fall of 2013 Curtis became the first classical music conservatory to offer free online classes through Coursera. Also under Mr. Díaz’ leadership, the school has developed lasting collaborations with other music and arts institutions in Philadelphia and throughout the world and has established the Community Artists Program (CAP) to develop the entrepreneurial and advocacy skills of young musicians. 

Mr. Díaz received an honorary doctorate from Bowdoin College and was awarded an honorary membership by the national board of the American Viola Society. In the fall of 2013 Mr. Díaz became a member of the prestigious American Philosophical Society founded by Benjamin Franklin. As a member of The Philadelphia Orchestra, he was selected by Music Director Christoph Eschenbach to receive the C. Hartman Kuhn Award, given annually to "the member of The Philadelphia Orchestra who has shown ability and enterprise of such character as to enhance the standards and the reputation of The Philadelphia Orchestra." Mr. Díaz received a bachelor’s degree from the New England Conservatory of Music, where he studied with Burton Fine, and a diploma from the Curtis Institute of Music, where his teacher was his predecessor at The Philadelphia Orchestra, Joseph de Pasquale. Mr. Díaz also has a degree in industrial design. 

In addition to his decade-long tenure as principal viola of The Philadelphia Orchestra, where he performed the entire standard viola concerto repertoire with the orchestra and gave a number of Philadelphia Orchestra premieres, Mr. Díaz was also principal viola of the National Symphony under Mstislav Rostropovich, a member of the Boston Symphony under Seiji Ozawa and a member of the Minnesota Orchestra under Sir Neville Marriner. Mr. Díaz plays the ex-Primrose Amati viola.

Cynthia Phelps, viola

Cynthia Phelps has Principal Violist with the New York Philharmonic since 1992. Her solo appearances with the orchestra have included performances on the 2006 Tour of Italy and the 1999 premiere of Sofia Gubaidulina’s Two Paths, which the Philharmonic commissioned for her and the orchestra’s associate principal violist Rebecca Young. Other solo engagements have included the Minnesota Orchestra, San Diego Symphony, Hong Kong Philharmonic and Orquesta Sinfónica de Bilbao. Ms. Phelps performs with the Chamber Music Society of Lincoln Center, Boston Chamber Music Society and Bargemusic. She has toured internationally with the Zukerman and Friends Ensemble, appeared with the Kalichstein-Laredo-Robinson Trio and the Guarneri, American, Brentano and Prague string quartets. She has given recitals in the music capitals of Europe and the U.S. Her honors include the Pro Musicis International Award and first prize in the Lionel Tertis International Viola and Washington International String competitions. Her most recent album, for flute, viola and harp, on Telarc, was nominated for a Grammy Award. She has a solo album on Cala Records. She has performed on PBS’s NPR, Radio France and RAI in Italy. Ms. Phelps studied at the University of Southern California’s Thornton School of Music.

Tabea Zimmermann, viola

For many years, Tabea Zimmermann has been regarded as one of the most renowned musicians of our time. Audiences and fellow musicians value her charismatic personality and deep musical understanding. Arguably the finest violist in the world today, she owes her success not only to her exceptional talent, but also to the support of her parents, thorough training by excellent teachers, a tireless enthusiasm to communicate her understanding and love of music to her audience and an uncompromisingly high quality standard.

As a soloist Ms. Zimmermann regularly works with the most distinguished orchestras worldwide such as the Berlin Philharmonic, Orchestre de Paris, London Symphony, Israel Philharmonic and the Czech Philharmonic. Following residencies in Weimar, Luxembourg, Hamburg and with the Bamberg Symphony, she was artist-in-residence with the Ensemble Resonanz from 2013-15, and continues this close collaboration. In the 2015-16 season, she was artist-in-residence of the Frankfurt Museums-Gesellschaft.

Ms. Zimmermann kicked off the 2018-19 season with the Swedish Chamber Orchestra at the BBC Proms. Further highlights of the current season include her concerts with the Helsinki Philharmonic Orchestra under Susanna Mälkki, the Radio Filharmonisch Orkest under Markus Stenz and at the Philharmonie de Paris with Les Siècles under Francois-Xavier Roth. On a tour of Asia, she will perform Mantovani‘s Double Concerto together with Antoine Tamestit and the Tokyo Metropolitan Symphony, and appear with the Seoul Philharmonic Orchestra in York Höller’s new Concerto for Viola and Orchestra, which she premiered in 2018 with the Gürzenich Orchestra Cologne under François-Xavier Roth.

The Arcanto Quartet, in which Ms. Zimmermann performs with violinists Antje Weithaas and Daniel Sepec and cellist Jean-Guihen Queyras, has provided a special focus for her chamber music activities. On the label Harmonia Mundi, they have released CDs of works by Bartók, Brahms, Ravel, Dutilleux, Debussy, Schubert and Mozart.

Ms. Zimmermann has inspired numerous composers to write for the viola and has introduced many new works into the standard concert and chamber music repertoire. In 1994 she gave the highly successful world premiere of the Sonata for Solo Viola by György Ligeti, a work composed especially for her. The subsequent premieres of this work in London, New York, Paris, Jerusalem, Amsterdam and Japan attracted great critical and public acclaim. In recent seasons, Ms. Zimmermann has premiered Recicanto for Viola and Orchestra by Heinz Holliger, the viola concerto Über die Linie IV by Wolfgang Rihm, Monh by George Lentz, Notte di pasqua by Frank Michael Beyer, a double concerto by Bruno Mantovani with Antoine Tamestit, and Filz by Enno Poppe with Ensemble Resonanz. She played the premiere of Michael Jarrell’s Viola Concerto at Festival Musica Strasbourg 2017 with the Orchestre National des Pays de la Loire under Pascal Rophé; and subsequent performances with the Vienna Symphony under Ingo Metzmacher, the Orchestre de la Suisse Romande under Pascal Rophé and the Konzerthaus Orchestra Berlin under Mario Venzago.

To mark Hindemith’s anniversary in 2013, Ms. Zimmermann released a highly acclaimed complete recording of the composer’s works for viola on myrios classics. Following the success of her recording of solo works by Reger and Bach with myrios classics in 2009 – for which she received an Echo Klassik prize as Instrumentalist of the Year – she has released three albums with pianists Kirill Gerstein and Thomas Hoppe. Ms. Zimmerman’s artistry is documented on approximately 50 CDs for labels such as EMI, Teldec and Deutsche Grammophon. A live recording of her performance on Beethoven’s own viola at the Beethovenhaus Bonn, accompanied by Hartmut Höll, was released by Ars Musici.

Ms. Zimmermann has received several national and international awards for her outstanding artistic achievements. These include the Federal Cross of Merit, Frankfurter Musikpreis, Hessischer Kulturpreis, Rheingau Musikpreis, International Prize Accademia Musicale Chigiana in Sienna, the Paul-Hindemith-Prize from the city of Hanau and most recently as Artist of the Year by the ICMA International Classical Music Awards 2017. She is a foundation board member of the Hindemith Foundation in Blonay (Switzerland) as well as ambassador for the German Foundation for Children’s Hospices. In 2013 she was appointed chairwoman of the board of the Beethoven-Haus Bonn. Under her aegis, the Beethoven-Woche Bonn has taken place every year since January 2015.

Ms. Zimmermann began learning the viola at the age of three, and two years later began playing the piano. She studied with Ulrich Koch at the Musikhochschule Freiburg and subsequently with Sandor Vegh at the Mozarteum Salzburg. Following her studies, she received several awards at international competitions, amongst them first prizes at the 1982 Geneva International Competition and the 1984 Budapest International Competition. As a result of winning the 1983 Maurice Vieux Competition in Paris, she received a viola by the contemporary maker Etienne Vatelot, on which she has been performing ever since. From 1987 to 2000, she regularly gave concerts in Düsseldorf, Jerusalem and Luxembourg with the late David Shallon, father of her two sons Yuval and Jonathan. Ms. Zimmermann has held teaching posts at the Musikhochschule Saarbrücken and Hochschule für Musik Frankfurt. Since 2002 she has been a professor at the Hochschule für Musik ‘Hanns Eisler’ in Berlin, where she now lives with her three children.

Christopher Rountree, conductor

Conductor, composer and curator Christopher Rountree has distinguished himself as one of classical music’s most forward-thinking innovators in programming, conducting and community building. Whether presenting his beloved chamber group wild Up in a museum bathroom or leading the country’s most renowned ensembles through new music’s most exciting works at the world’s greatest concert halls, Mr. Rountree is the linchpin between orchestral music and the future of performance.

Mr. Rountree founded the renegade ensemble wild Up in 2010. The group’s eccentric mix of new music, pop and performance art quickly jumped from raucous DIY bar shows to being lauded as the vanguard for classical music by critics for The New York Times, The Los Angeles Times, The Wall Street Journal and public radio’s Performance Today. The success of wild Up has led Mr. Rountree to collaborations with Björk, John Adams, David Lang, Scott Walker, and many of the planet’s greatest orchestras and ensembles.

Last season, Mr. Rountree’s vision was fully realized as he curated and conducted the Los Angeles Philharmonic’s 16-concert FLUXUS Festival, the experimental music component of the Philharmonic’s 100th season in collaboration with the Getty Research Institute. Mr. Rountree’s 2018-19 season also included debuts with the Cincinnati and Berkeley symphonies, and the New York premiere of Missy Mazzoli’s Proving Up. He takes wild Up on tour with audience-interactive programs, celebrating local communities and the intersection of art and social justice; unveils an evening-length program with Ted Hearne, George Lewis, Jen Hill and Weston Olencki about religion, space and the Internet called of Ascension; makes his debut on the Ecstatic Music Festival; plays a live radio show at the ACE Hotel with Nadia Sirota, Andrew Norman and Caroline Shaw; curates a joint program with Los Angeles Chamber Orchestra and Four Larks; and conducts a new program called Eve with Martha Graham Dance Company.

In 2018 Mr. Rountree debuted with Martha Graham Dance Company and Opéra national de Paris conducting The Rite of Spring, Barber’s Medea, and the Paris premiere of the Graham-Copland Appalachian Spring at Palais Garnier. Recently, he made his Lincoln Center debut premiering Ashley Fure’s Pulitzer Prize-finalist piece Bound to the Bow on the New York Philharmonic’s Biennial; conducted Ted Hearne’s Law of Mosaics with the Chicago Symphony; gave the world premiere of Missy Mazzoli’s opera Proving Up; conducted the world premiere of David Lang’s opera anatomy theater at Los Angeles Opera; and premiered Annie Gosfield and Yuval Sharon’s War of the Worlds with Sigourney Weaver and Mayor Eric Garcetti and the Los Angeles Philharmonic, simultaneously performed across downtown Los Angeles and at Walt Disney Concert Hall.

A seventh-generation California native, Mr. Rountree lives in Los Angeles.