12-tone music, where every note of the chromatic scale is played as often as every other note.
Schoenberg was credited with it's creation, but Alban Berg started using Dodecaphony in 1912, three years before Schoenberg. Schoenberg did, however, innovate the twelve-tone system.
Arnold Schoenberg, Austrian composer in 1921.
the twelve tone system
the twelve tone system
the twelve tone system
Arnold Schoenberg A+
Arnold Schoenberg A+
Arnold Schoenberg A+
Schoenberg
the twelve tone system
twelve tone scale
Arnold