These classic rock legends had No. 1 hits on the Billboard Hot 100 in 1971 with songs that have stood the test of time, including George Harrison and Janis Joplin.

The dreamy soul ballad that became one of the decade's most beloved hits.

The year 1971 was a special one in popular music. The 1960s were conclusively over, and the sounds were changing. Out was the early proto-rock of the 1950s and early 60s. In was music with more depth, ...