Third Construction (1941)

The rhythmic structure of this work is 24 times 24 measures. In each part, the phrase structure follows a different proportion series, each being a rotation of the other, i.e. player 4: [8, 2, 4, 5, 3, 2], player 1: [2, 8, 2, 4, 5, 3], player 3: [3, 2, 8, 2, 4, 5] and player 2: [5, 3, 2, 8, 2, 4]. The instruments used are rattles, drums, tin cans, claves, cowbells, lion's roar, cymbal, ratchet, teponaxtle, quijades, cricket caller, and conch shell.