Holy Guacamole, it's a boot by THE JACKSONS 1979! - Such fire, frost or frippery, the outright horror of a full show by The Jacksons in 1979 with Michael Jackson and a soundboard as well, it's all so.....HORRIFIC!! (Link)
Our Canadian friends Reliquary blog has this goody
a full soundboard from the Destiny Tour, The Horror!!