Complex sentence: "Dazed and Confused" is a song originally written and performed by Jake Holmes, which was covered by the Yardbirds, and later reworked by Led Zeppelin who hold a separate copyright on the song.
Split into simpler sentences: Dazed and Confused is a song originally written and performed by Jake Holmes. It was covered by the Yardbirds, and later reworked by Led Zeppelin who hold a separate copyright on the song.