<Tr> <Th> Label </Th> <Td> Casablanca </Td> </Tr> <Tr> <Th> Songwriter (s) </Th> <Td> Alec R. Costandinos </Td> </Tr> <P> "Thank God It's Friday" is a 1978 disco song by the studio disco group Love & Kisses, popularized as the theme song of the film by the same name . It was written by European composer and producer Alec R. Costandinos . It peaked at #1 on Billboard's Disco charts, #23 R&B and #22 Pop . </P> <P> Over the years some radio stations would play the song at 5: 00 p.m. on Fridays to mark the end of the work week and get its audience pumped - up for the weekend . The song's catchphrase tantalized listeners with the prospect of love at the discotheque: "Hey / Put a smile on your face / Things are coming your way / Out there somewhere tonight". </P>

Who sang the song thank god it's friday