If nothing else you'll find yourself dragging your old Buckleys (père and fils) out to play again.
If nothing else, this doc will help you hear his yearning and forever change the way you hear the album. Some may even fall in love.
And this: Buckley is a call-in guest on a radio program and proceeds to sing his heart out over the phone (with harmonica). When have you ever heard anyone do that? (The music doesn't begin until about 4:35.)