Claude Ballif was a French composer, writer, and pedagogue. He worked at a number of institutions throughout more than 40 years of teaching, one of which he had attended as a student. Among his pupils
Microtonality is the use in music of microtones — intervals smaller than a semitone, also called "microintervals". It may also be extended to include any music using intervals not found in the customa
Claude Ballif
…solidifying the concept and practice of metatonality very early on. He added referential and orient concepts to his theory as well. He became interested in microtonal theory after meeting Ivan Wyschnegradsky for the first time; Wyschnegradsky and Alois Hába "launched [him] into the ultrachromatic universe." Ballif wrote his…