There are a lot of bands called The Jacks:
The Jacks (also known as the Cadets) were an American doo wop group from the 50/60s
Jacks ( ジャックス) were a 1960s Japanese psychedelic rock group who released their best known studio album Vacant World (marketed as 'Karappo No Sekai' [Vacant World] or 'Jacks no Sekai' [Jacks' World] in Japanese) in 1968. The Jacks, originally known as Nightingale, began their career in 1966 as…
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