John Lennon

Early agreement about songwriting resulted in frustration detailed in ‘Get Back’ documentary.

Would rockers get canceled for these same things now?

Yoko Ono responded to tribute on Twitter.

George Harrison gathered his former bandmates for 1981 single “All Those Years Ago,” written about late friend.

Ex-Beatle and wife Yoko Ono revealed at work in 1968 for ‘Plastic Ono Band’ box set.

"You can hear that I'm just a frantic guy doing his best," singer later recalled of throat-shredding 'Please Please Me' song.

This breezy rocker highlighted a subtly evolving sound, becoming their seventh U.S. No. 1.

In addition to Paul McCartney and Ringo Starr, family members shared tributes to the fallen legend.

They inevitably channeled grief over his murder into their craft.

Thankfully, the joy and excitement of his music remain.