John Lennon didn't care about Paul McCartney's solo songs but he liked a Wings hit that sounds like it was performed by Kermit the Frog.

After leaving The Beatles, Lennon created meaningful music that spoke about peace and unity. His songs continue to move people across generations. “Imagine” came out in 1971 as part of John Lennon’s ...

Despite the joke of Ringo Starr getting by with a little help from his friends, he felt this legend made for one of the most memorable moments in the studio.

But the reality is often subtler than that—career-wise, each superstar needed something from the other. Often, one act is a ...