The Bay City Rollers were a Scottish pop rock band that gained significant popularity in the mid-1970s. Known for their distinctive tartan outfits and upbeat, catchy tunes, their music was a blend of bubblegum pop and light rock. The original lineup included Les McKeown, Alan Longmuir, Stuart Wood, Derek Longmuir, and Eric Faulkner. Their most influential works include the hit singles "Saturday Night" and "Bye Bye Baby", both of which helped define the teenybopper music scene of the time.