Other versions
Happy Days (Phats & Small Mutant Disco Vocal Edit)Happy Days (Phats & Small Mutant Disco Vocal)Happy Days (Phatts & Small Mutant Disco Vocal)Happy Days (PJ's '99 Remix)Happy Days (PJ's Mix)Happy Days (PJ's Original Mix)Happy Days (PJ's Radio Edit)Happy Days (Radio Edit)Happy Days (Radio Version)Happy Days (Remix)Happy Days (Sharp 'Funky Mirrorball Mix')Happy Days (Sharp Boys Remix)Happy Days (Sharp Funky Mirrorball Mix)Happy Days (Sharp Remix)Happy Days (Unreleased Version)
