Plus: Janis Joplin dies and Sinéad O'Connor enrages 'SNL' watchers
After series of red-flag tweets, singer writes in open letter that 'people who express suicidal feelings are least likely to act on them'
Lucinda Williams, Marcus Mumford, Bob Weir and more on the tracks that have influenced them
From Bob Dylan becoming born again to Panic! at the Disco dropping the exclamation mark, the decisions that have changed the music world
The best songs to raise a glass to this St. Patrick's Day
'Prayer Cycle 2: Back to Zero' will also feature a rare recording of Jim Morrison reciting a poem
The teenage star on her music idols, dealing with hecklers and jamming with Def Leppard
Irish songstress goes Rasta in Chicago
The show may put the Who singer in the red, but he's just "in it for the fun"