This song was first recorded in 1973 with original Bay City Rollers vocalist Nobby Clark, but this single tanked when it was released in the UK.
With new singer Les McKeown they re-recorded it for US release in 1975! It was the song that would create Rollermania in North America.
If you listen to the two recordings they sound very similar, maybe it was the name “Nobby” that jinxed the original
Saturday Night with Nobby
Saturday Night with Les