Dudamel began his tenure as Music Director of the Los Angeles Philharmonic on 28 September 2009 with a rehearsal of Beethoven's 9th Symphony that included the Los Angeles Master Chorale and representatives of eight community-based choruses. His first official rehearsal with the orchestra followed on 30 September. On 3 October he conducted Beethoven's 9th Symphony at the Hollywood Bowl in "Bienvenido Gustavo", a free concert, and conducted his official inaugural concert featuring the world premiere of John Adams' "City Noir" and Mahler's Symphony No. 1 with his new orchestra in Walt Disney Concert Hall on 8 October.