Austrian Composer, Professor, Father of 12-Tone and Serial Technique

Arnold Schoenberg’s brief biography – his life, career and works. Known for advocating twelve-tone technique, and ‘Pierrot lunaire’ for voice and chamber music.
Austrian composer Arnold Schoenberg (Schönberg) is the proponent or father, the ‘real developer’ of the twelve-tone technique often referred to as ‘atonal’ or ‘absence of key.’ Not that there is no tone, but that since all the notes are being treated equally, it makes it impossible for one tone to be heard above the others.
Here’s the article in full … [Arnold Schoenberg]