Crosby Stills Nash & Young

"At this point, it's not about would we get together," he says. "Should we, is the important question."

Fillmore East performance arrived a little more than a month after their famous Woodstock appearance.

Defining folk rock is a paradoxical task, to say the least.

He wrote "I Watched It All Come Down" to express his regret they didn't do more together.

"His legacy will continue to live on through his legendary music," Crosby's wife said in a statement.

Singer admits his actions "pretty much destroyed" the group.

"Stephen [Stills] and Neil [Young] and I are great," Nash told 'CBS Sunday Morning.' "We talk often. We don't talk to David."

Video tells story of track that didn’t make cut for ‘Deja Vu’ but appears on upcoming deluxe version.

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