Written and first recorded by Russ Ballard (1976).
Hit versions by Clout (1978), Head East (US #46 1978), Rainbow (US #57/UK #6 1979), Cherie & Marie Currie (US #95 1980).
From the wiki: “‘Since You Been Gone’ is the title of a rock song written and recorded by the former Argent guitarist, Russ Ballard (‘Winning‘), and first released on his 1976 album, Winning. Rainbow’s 1979 cover version with the lead singer, Graham Bonnet, was a Top 10 single in the United Kingdom, and was named the 82nd best hard rock song of all time by VH1.
“Other, earlier cover versions include those by Head East (1978) and by Clout (1978), originally a five-piece, South African million-selling all-girl rock group formed in 1977 and best known for their song, ‘Substitute’. Cherie Currie (The Runaways) also recorded ‘Since You Been Gone’ as a duet with her twin, Marie Currie, on their Messin’ with the Boys album in 1980.