Wikipedia
Trance-Fusion
Trance-Fusion is an album of guitar solos completed by Frank Zappa shortly before his death, but not released until 2006. The album had previously been announced for release in 1999 and 2003 and again announced in 2005 in relation to the Zappa Plays Zappa tour. It had previously been only available through bootlegs.
Zappa had previously released several other albums consisting entirely of guitar solos: the Shut Up 'n Play Yer Guitar (1981, 1982) series, Guitar (1988), the cassette-only The Guitar World According to Frank Zappa (1987), and the posthumous Frank Zappa Plays the Music of Frank Zappa: A Memorial Tribute (1996). This is Official Release #79.