The Sky: The Studio Albums 1979–1987 box set released by Esoteric Recordings (a sub-label of Cherry Red Records) spans 7 CDs and 1 DVD, was first issued in 2018 and later repressed. This comprehensive clamshell box set brings together the entire studio legacy of the legendary classical-rock instrumental supergroup.

The set is physically compiled as a space-saving clamshell box containing 8 total discs:

CD 1: Sky (1979) – Featuring the 19-minute suite "Where Opposites Meet".

CD 2: Sky 2 (1980) – The UK #1 platinum smash featuring their signature hit "Toccata".

CD 3: Sky 3 (1981) – The first album featuring Steve Gray replacing Francis Monkman.

CD 4: Sky 4: Forthcoming (1982) – A purely classical crossover album with no original rock compositions.

CD 5: Cadmium (1983) – The final album featuring legendary classical guitarist John Williams.

CD 6: The Great Balloon Race (1985) – Recorded in both the UK and Australia.

CD 7: Mozart (1987) – Their final symphonic studio project alongside the Academy of St. Martin in the Fields.

DVD: Live in Nottingham 1990 – A bonus Region-Free/NTSC live concert recorded for Central Television, featuring previously unreleased live video masters of "Toccata" and "Tuba Smarties".

Critical reception and fan consensus from platforms like The Afterword and We Are Cult highlight a clear divide in the band's career progression. The set gets high praise for its technical execution. The audio is cleanly remastered from the original master tapes, expanding the dynamic range of Tristan Fry's complex percussion and Herbie Flowers' iconic basslines.

It is widely considered an excellent, high-value archival package for fans of progressive rock and classical crossover, even if the later albums serve mostly as completionist items.