A Trimmed-Down Stimmung From Voices of Silicon Valley

Source: San Francisco Classical Voice.

Written for six amplified vocalists, Stimmung is said to have been the first Western composition to use vocal harmonics or overtones from a single note (in this case a B-flat) to create a “melody.” This process takes place 51 times over the course of the piece, with the order decided by the performers. Each of the 51 melodies or “models” is repeated several times until everyone is on the same harmonic page with the lead singer, after which they move on to the next model. This process seems like a variation of that of Terry Riley’s In C, written four years earlier.