Raised in Bellshill, Lanarkshire, she trained at the Royal Scottish Academy of Music and Drama while performing in local clubs before being chosen for the BBC documentary series that documented her ascent to pop stardom. A record contract with EMI led to the 1980 releases of “Modern Girl” and “9 to 5,” the latter topping the U.S. Billboard Hot 100 and securing her place as the first artist with to…