Complex sentence: The Fugs are a band who formed in New York City in 1965 by Ed Sanders and Tuli Kupferberg, and who were joined later that year by Peter Stampfel and Steve Weber of the Holy Modal Rounders.
Split into simpler sentences: The Fugs are a New York City band formed in in 1965 by Ed Sanders and Tuli Kupferberg. Later that year were joined by Peter Stampfel and Steve Weber of the Holy Modal Rounders.