Sly and the Family Stone 's album `` There 's a Riot Goin ' On '' and Carol King 's album `` Music '' were ahead of Led Zeppelin 's album `` Led Zeppelin IV '' in the US charts .
In the US it stayed on the charts longer than any other Led Zeppelin album and became the biggest selling album in the US not to top the charts ( peaking at # 2 ) . ``