Joni Mitchell

Trent Reznor and George Harrison's 'All Things Must Pass' were also among the early winners at the 64th annual awards.

Rolling Stones and Beatles members offer guitars while Mitchell provides painting of Jimi Hendrix.

Songwriter previews his book 'A Life in Focus' and teases upcoming albums.

Previously unheard outtakes and demos arrive a day before the classic 1971 album celebrates golden anniversary.

Individuality set her apart from other singer-songwriters in the '70s.

There were singer-songwriters before, but this set a template for almost everything that came after.

A group of musicians were bonded together in grief after the Civil Rights leader's assassination .