They appeared with Cocker during the 1960s, including his performance at the Woodstock Festival in August 1969.
Their keyboard player was Chris Stainton, who went on to tour extensively with Eric Clapton.
Bassist Alan Spenner and rhythm guitarist Neil Hubbard went on to play in the UK blue-eyed soul band Kokomo; following this, the pair worked in support of the late 1970s/early 1980s incarnation of Roxy Music.
[1] Henry McCullough was the Grease Band's lead guitarist, a role he later occupied in Paul McCartney's Wings, and continued as a solo artist until his death in June 2016.
[2] Rowland, Spenner, Hubbard and McCullough all played on the original 1970 recording of Jesus Christ Superstar.