The Bay City Rollers are a Scottish pop rock band known for their worldwide teen idol popularity, as a band in the 1970s. One of many 70s acts heralded as the "biggest group since the Beatles", they were called the "tartan teen sensations from Edinburgh", and sold 5 million albums. Their classic line-up during their peak popularity, included guitarists Eric Faulkner and Stuart Wood, singer Les McKeown, bassist Alan Longmuir and his younger brother Derek Longmuir on drums.
https://en.wikipedia.org/wiki/Bay_City_Rollers