[1] By reproducing the exact contents and artwork of bootleg albums without any alterations, Zappa could claim any further reproduction of the recordings as a counterfeit, which would make further unauthorized distribution of his music easier to prosecute.

[1] The same tapes also produced the bootleg Twenty Years Ago...Again, distributed by bootlegger Evil Records, which contains a significantly longer version of the song "My Guitar Wants to Kill Your Mama", which is three minutes shorter on The Ark.

[1] Piquantique contains audio from a TV broadcast highlighting a jazz-funk incarnation of Zappa's band.

[1] As An Am contains an excerpt from a radio interview in which Zappa criticized bootleggers and bootleg recordings.

Recorded at Solliden in Skansen, Sweden, on August 21, 1973, with the exception of track 4, which is taken from a concert at the Roxy, December 1973.