Complex sentence: The Spiders were a garage rock band, featuring Vincent Furnier (more recognizably known later as Alice Cooper), Dennis Dunaway, Glen Buxton, John Tatum, John Speer, and Michel Bruce.
Split into simpler sentences: The Spiders were a garage rock band, featuring Vincent Furnier (later known as as Alice Cooper). They consisted of Furnier, Dennis Dunaway, Glen Buxton, John Tatum, John Speer, and Michel Bruce.