- Written by
- Jimmy Page, John Bonham, John Paul Jones, Robert Plant
- Originally written by
- Willie Dixon
- Adapted from
You Need Love written by Willie Dixon
- Willie Dixon was not credited for the song until he sued Led Zeppelin in 1985. It is also generally assumed that Led Zeppelin were inspired by the Small Faces' "You Need Loving", which was itself based on Muddy Waters "You Need Love".