David Sheff reappraises Yoko Ono’s role, as an artist in her own right and as a support to John Lennon, with whom she collaborated on “Imagine.” ...

The first time The Aquarian covered Jethro Tull was in 1971. It was a review for the career-defining concept album Aqualung.

Though John Lennon and Paul McCartney ended The Beatles as songwriting rivals, they still admired each other's work greatly.

This is an excerpt from Yoko, a new biography about Yoko Ono from author David Sheff. It releases March 25 from Simon and ...