What Are The 12-tone System By Arnold Schoenberg?

What Are The 12-tone System By Arnold Schoenberg? Twelve-tone technique—also known as dodecaphony, twelve-tone serialism, and (in British usage) twelve-note composition—is a method of musical composition devised by Austrian composer Arnold Schoenberg (1874–1951). … All 12 notes are thus given more or less equal importance, and the music avoids being in a key. What tone