Complex sentence: He went on to train at the Ealing Art College, as both his brothers had, which other notable musicians, Freddie Mercury of Queen, and Pete Townshend of The Who, also attended in the 1960s.
Split into simpler sentences: He went on to train at the Ealing Art College, as both his brothers had. Other notable musicians, Freddie Mercury of Queen, and Pete Townshend of The Who, also attended in the 1960s.