Mysteries: The Impulse Years 1975–1976
| Mysteries: The Impulse Years 1975–1976 | ||||
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| Compilation album by | ||||
| Released | 1996 | |||
| Recorded | December 10–12, 1975 (discs 1 and 2); October 14–16, 1976 (discs 3 and 4) | |||
| Studio | Generation Sound, New York City | |||
| Genre | Jazz | |||
| Label | Impulse! IMPD-189 | |||
| Producer | Ed Michel | |||
| Keith Jarrett chronology | ||||
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Mysteries: The Impulse Years 1975–1976 is a four CD collection of the Keith Jarrett albums Mysteries, Shades, Byablue and Bop-Be. The set was released in 1996 by Impulse! Records and in 1997 by Aris / MCA. Previously unreleased alternate takes are present on each disc.
The music was performed by Jarrett and his affectionately-titled 'American Quartet', composed of Charlie Haden, Paul Motian, and Dewey Redman. Guilherme Franco contributed additional percussion to Mysteries and Shades.
In 1997, a 5-CD box set called The Impulse Years: 1973-1974 was also released, composed of Fort Yawuh, Treasure Island, Death and The Flower, and Back Hand.
Aside from their appearances in this box set, Shades and Bop-Be have only ever been released individually on CD in Japan. Shades was later reissued internationally (with Mysteries, as a single disc set) as part of the Impulse! 2-on-1 series in 2011.