Question: When was the Scottish musician and songwriter  which was one of those that left rock band Wings born? 
Sentence (from "Wings Over the World"): Problems with the audio from the 1976 live performances delayed the film's release until March 16, 1979 in the United States (on CBS) and April 8, 1979 in the United Kingdom (on BBC2), by which time, band members Jimmy McCulloch and Joe English had left the group and been replaced.
Relevant evidence: Yes