Here's a look at Joni Mitchell’s musical history with Stephen Stills and Graham Nash in honor of all three artists performing at the FireAid benefit concert.

Crosby, Stills, Nash & Young played the fourth of four concerts over two nights at the Fillmore East in New York City. A ...

That record, culled from their 1970 shows, had its charged moments, including the debut of Neil Young's "Ohio," the Stephen .

But when David and Stephen and I made our voices into one, we knew we’d struck magic. Stills: All I’ve heard on that Beyoncé album is the treatment she gave my song. She actually gave me a ...