Crosby Stills Nash & Young

Four CDs will feature numerous outtakes, unheard alternate versions and an appearance from Joni Mitchell.

He knew how much he’d earned from colleague’s talent, so handed over lyric sheets “with a good heart.”

But he admits he still has problems with David Crosby, which don’t look to be resolved any time soon.

Seldom in rock history have four guys who seemingly couldn’t stand each other sounded so good together.

Adding Neil Young in 1969 created great expectations – and their second album didn't disappoint.

It wasn't long before they were back to fighting again.

On May 4, 1970, National Guardsmen squared off against anti-war demonstrators on the campus of Ohio’s Kent State University.