Complex sentence: Lucy were an English punk band originally featuring lead vocalist Paul Mewse, current Def Leppard guitarist Phil Collen, bassist Peter Ferris, and drummer Len Foster.
Split into simpler sentences: Lucy were an English punk band featuring Def Leppard guitarist Phil Collen. The first line up of this band featured lead vocalist Paul Mewse, guitarist Phil Collen, bassist Peter Ferris, and drummer Len Foster.