The Best Tribute Songs

I've selected tribute songs from some of my favorite artists/songwriters. Just to mention a few: Neil Young, The Doors, Deep Purple, Warren Zevon, Jethro Tull and Pink Floyd. Fun,Fun. There are 12 artists covering their tunes as a tribute. I threw a few 'covers' in the mix as well. That would be an artist covering another one's song and those are not associated with a tribute release. Is that cheating? NO, I make the rules.