Complex sentence: He has a long history dating back to the 1960's working with such acts as Hawkwind, Country Joe McDonald, Arthur Brown, the Deviants, co-founded Magic Muscle and since 1990 has been a member of British Psychedelic outfit the Bevis Frond.
Split into simpler sentences: He has a long history dating back to the 1960's working with such acts as Hawkwind, Country Joe McDonald, Arthur Brown, and the Deviants. Shaw co-founded Magic Muscle, and since 1990 has been a member of British Psychedelic outfit the Bevis Frond.