Other works completed since 2010 include Symphony No. 9 (2010–2011), Symphony No. 10 (2012), Cello Concerto No. 2 (2012, based on the film score to Naqoyqatsi) as well as String Quartet No. 6 and No. 7. Glass's Ninth Symphony was co-commissioned by the Bruckner Orchestra Linz, the American Composers Orchestra and the Los Angeles Philharmonic Orchestra. The symphony's first performance took place on January 1, 2012, at the Brucknerhaus in Linz, Austria (Dennis Russell Davies conducting the Bruckner Orchestra Linz); the American premiere was on January 31, 2012, (Glass's 75th birthday), at Carnegie Hall (Dennis Russell Davies conducting the American Composers Orchestra), and the West Coast premiere with the Los Angeles Philharmonic under the baton of John Adams on April 5. Glass's Tenth Symphony, written in five movements, was commissioned by the for its 30th anniversary. The symphony's first performance took place on August 9, 2012 at the Grand Théâtre de Provence in Aix-en-Provence under Dennis Russell Davies.