[4] In 1977, after releasing a total of 10 albums, including two more by Renaissance (Scheherazade and Other Stories and the double LP Live at Carnegie Hall), the label folded due to bankruptcy.

During the first take the band went into a spontaneous instrumental jam that they were all very pleased with, but after returning from a break they found that the tape op had accidentally erased the entire recording.

"[4] "Running Hard" quotes a melodic phrase first used in "Mr. Pine" from the Illusion album, as well as the piece "Litanies" by French composer Jehan Alain, both at keyboardist John Tout's suggestion.

[4] Sullivan said he was present when Thatcher wrote the lyrics to "Black Flame", which she did while seated in a special writing chair in her house.

In 2019 Esoteric Recordings announced a re-mastered and 4 disc (3 CD plus 1 DVD-audio) expanded edition of the album which was released on 20 March 2020.