John Lennon

Demos, outtakes and previously unreleased live tracks document era with Yoko Ono and the Plastic Ono Band around time of 1972's 'Some Time in New York City.'

They made a habit of resurrecting unreleased material, with some tracks dating back to their teens.

This band was not above lobbing potshots at one another, but they also took aim at a host of other worthy targets.

Dylan's motorcycle accident, Lennon’s "Bigger than Jesus" comment and Cream’s debut show all took place on the same date.

Other rock acts with exclusive releases include David Gilmour, Fleetwood Mac, Judas Priest, Motley Crue, Queen and Yes, among others.

The 12-string acoustic he used on “You’ve Got to Hide Your Love Away” attracts $500,000 more than previous top price.

Drummer Jim Keltner recalls "brutal" comments that were not to be imitated.

All four members of the band can be heard on the newly completed track.

Behind the making of the last ever Beatles song.

Almost 20 chart-toppers followed the band's turn-of-the-'70s demise, but they weren't all created equally.

A book from one former member and a song lyric from another helped kick-start the hit song.

Songwriting duo initially had a tough time attracting American listeners.

Surviving Beatles star says he’s not sure he would have managed so well.

Artificial intelligence, meet the Beatles.

He was in discussions for key role in man-versus-AI movie before fate intervened.

Technology reimagines "New" and "Grow Old With Me."