Grand Pianola Music is a minimalist composition by American composer John Adams. It was written in 1982 and premiered by the San Francisco Symphony in San Francisco's Japan Center. The work is in three movements: * Part 1A (fast) * Part 1B (slow) * 'On The Dominant Divide' (fast) The ensemble is a mixture of double woodwind, double brass with one tuba, three percussionists, three wordless female singers, and two pianos.