Best Live Album Ever...

My top 5 (or 6)

Johnny Cash - Folsom Prison

Lou Reed -- Rock and Roll Animal

Little Feat -- Waiting for Columbus

The Band (and friends) -- Last Waltz

Nirvana -- Unplugged in NY

Roxy Music -- Viva

Feel like I'm missing something obvious....

Judy Garland at Carnegie Hall.

Allman Brothers Live at Fillmore

Santana Moonflower

Dire Straights Alchemy Live

Jeff Beck Live at Ronnie Shots

David Gilmore Live in Gdansk

Frank Marino & Mahogany Rush - Live

Off the top of my head...

The Kinks "One For The Road"
Miles Davis "Friday & Saturday Night At The Blackhawk" (Mosaic Records)
Art Pepper "Live At Ronnie Scott's" (Pure Pleasure)
Nirvana "Unplugged"
Stanley Turrentine "Live At Minton's Vol. 2" (Music Matters)
Cecil Taylor "Live In Bologna"