Complex sentence: All his subsequent recordings were released through Dark Horse; these numbered seven, starting with Thirty Three & 1/3 in 1976 and ending with the posthumous release of Brainwashed in 2002.
Split into simpler sentences: All his subsequent recordings were released through Dark Horse. This started with Thirty Three & 1/3 in 1976 and ending with the posthumous release of Brainwashed in 2002.