Original sentence: Alan Longmuir (born June 20 1949) was the bass guitarist for the 1970s pop group, the Bay City Rollers.In early 1976, at the height of the band's popularity, Alan was replaced by Ian Mitchell, a man ten years his junior.Tam Paton, then the group's manager, revealed that Alan had tried to commit suicide
Edited sentence: Alan Longmuir (born June 20, 1949) was the bass guitarist for the massively successful 1970s pop group, the Bay City Rollers.In early 1976, at the height of the band's popularity, Alan was replaced by Ian Mitchell, a man 10 years his junior.Tam Paton, then the  group's manager, revealed that Alan had tried to commit suicide