Isotope : Upward Curve: The Recordings 1973-1976 CD Box Set 3 discs (2026)Title: Upward Curve: The Recordings 1973-1976 Artist: Isotope Genre: Jazz|Jazz-Rock Format: CD / Box Set Type: CD No. of Discs: 3 disc(s) Studio / Label: Esoteric UK Release Date: 15 May 2026.
