Les McKeown, the former frontman for ’70s Scottish pop sensations The Bay City Rollers, passed away at the age of 65 on Tuesday evening. In a tweet posted by his family, his wife Keiko whom he met in 1978 and their son Jubei, McKeown passed away suddenly and unexpectedly at home. No cause of death was cited. pic.twitter.com/YgZLzuGbM1 — Les …