Holy Ghost: Rare & Unissued Recordings (1962–70) is a compilation album by avant-garde saxophonist Albert Ayler released by Revenant Records in 2004.
The 10-CD Box Set, housed in a reproduction "Spirit Box" contains live performances recorded by Ayler in Helsinki, Copenhagen, New York City, Cleveland, Berlin, Rotterdam, Newport and Saint-Paul-de-Vence over an eight-year period and features a variety of line-ups which include Cecil Taylor, Sunny Murray, Jimmy Lyons, Gary Peacock, Don Cherry, Rashied Ali, Donald Ayler, Ronald Shannon Jackson, Michael Samson, Frank Wright, Beaver Harris, Pharoah Sanders, Richard Davis, Sam Rivers, and Muhammad Ali.
The set includes two discs of interviews, reproductions of memorabilia, a Forget-me-not, and a bonus disc featuring Ayler's recordings with the 76th A.G. Army Band.
