It consists of rehearsed improvisations performed with-in a 12 part fixed song structure, recorded in one take at the end of a 9000 km tour.

[6][7] In a 2010 interview with Spinner, Jarvis said that "O" was also designed to explore music's unique capabilities as an art form that unfolds over time.

[10] "O" was initially released by Optical Sounds on a double sided CD / DVD disc, coupled with a concert film, Live At The Music Gallery.

The Flowers Of Hell performed "O" live as a seated 12 piece with Jarvis conducting at Toronto's Yonge-Dundas Square as the closing act of the 2011 Intersection Festival of experimental and new classical music.

"[16] Stooges biographer and former Creem writer Jeffrey Morgan wrote that it rivaled works of Terry Riley, Brian Eno, and Gavin Bryars and, "transport(s) the mind to places records rarely seek to reach these days.