Indigo Nights is a live album by Prince, mainly comprising songs played live during some of the aftershows at the indigO₂ night club in London in 2007. It contains eight live versions of previously released Prince songs, four cover songs, two new songs, and a monologue. The CD is only sold coupled with the 21 Nights coffee table book which was released on September 30, 2008. The book reached number 9 on The New York Times best selling Hardcover Nonfiction titles.

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