The concert industry exploded in the 1970s, and the live album, a stopgap project once reserved for only the biggest artists, became a compulsory ritual and a pivotal moment for many artists. Live albums captured legendarily loud bands like The Who and The Ramones in their natural element. Once obscure regional acts like Bob Seger, KISS and Cheap Trick exploded into the mainstream with live albums. The Band, The Stooges, and Velvet Underground put their final gigs on vinyl. Jimi Hendrix, Neil Young (as his ongoing archive series shows), and Jackson Browne recorded entire sets of new songs onstage. The Grateful Dead released several official live albums (and continue to do so) that only made fans want to bootleg shows on their own more. With the 50th anniversary of a landmark live album, Th...