Zoomers of a certain age will remember the catchy tunes of the Scottish rock group The Bay City Rollers including their big hit Saturday Night

Founding member Alan Longmuir has died in Scotland. He was 70.

His family said he died peacefully but no  other details were given. The bass guitarist had been receiving medical treatment in Edinburgh.The Bay City Rollers were formed at the end of the 1960s and enjoyed substantial commercial success. They were known for their tartan outfits and upbeat, catchy tunes.The band sold more than 100 million records. They split up in 1978 and reunited in 2015 for a string of sold-out performances. The family statement says Longmuir used to describe himself as just a plumber from Edinburgh who got lucky.