The Cleveland Orchestra and Lorin Maazel presented an 11-concert Beethoven Festival in Mexico City at the invitation of the Mexican government from August 30 through September 11, 1977. The conclusion of the festival was Beethoven's Ninth Symphony with the Leona Mitchell, soprano; Oralia Dominguez, mezzo-soprano; Kenneth Riegel, tenor; Roberto Bañuelas, bass and the National School of Music Chorus.