Complex sentence: Whiteman's early musical career included the band The Action, a 1960s London-based mod and soul music-influenced pop group; he was in Mighty Baby for a while before becoming a session musician, backing Sandy Denny amongst others.
Split into simpler sentences: Whiteman's early musical career included the band The Action, a 1960s London-based mod and soul music-influenced pop group. He was also in Mighty Baby for a while before becoming a session musician, backing Sandy Denny amongst others.