While most tribute bands pay homage to one specific band, supergroup Downing Grey pays tribute to the entire genre of progressive rock – covering nine different bands.
This video features guitarist Bill Shannon, soloing like the great Allan Holdsworth.

U.K. are a British progressive rock supergroup that were active from 1977 until 1980. The band was composed of singer/bassist John Wetton (formerly of King Crimson, Roxy Music, Bryan Ferry’s band and Uriah Heep), keyboardist/electric violinist Eddie Jobson (formerly of Curved Air, Roxy Music and Frank Zappa’s band), guitarist Allan Holdsworth (formerly of Tempest, Soft Machine, The New Tony Williams Lifetime and Gong) and drummer Bill Bruford (formerly a full member of Yes and King Crimson, and also a tour drummer for Genesis), later replaced by drummer Terry Bozzio (formerly of Frank Zappa’s band). UK have recently reformed with John Wetton, Eddie Jobson and Terry Bozzio for a world tour in 2012.

U.K. is the self-titled debut album by the progressive rock supergroup U.K., released in 1978 through E.G. Records and Polydor Records. It features John Wetton (formerly of Family, King Crimson, Uriah Heep and Roxy Music), Eddie Jobson (formerly of Curved Air, Roxy Music and Frank Zappa), Bill Bruford (formerly of Yes and King Crimson) and Allan Holdsworth (formerly of Jon Hiseman`s Tempest, Soft Machine and Gong). “In the Dead of Night” and “Mental Medication” were both edited for single release.