Who was the leader of the band that performed a top-five hit in both the USA and UK in 1979?
Daytime Nighttime Suffering:  It was the B-side to the 1979 single "Goodnight Tonight," which was a top-five hit in both the UK and USA. Back to the Egg:  Co-produced by Chris Thomas, the album reflects band leader Paul McCartney's embracing of contemporary musical trends such as new wave and punk, and marked the arrival of new Wings members Laurence Juber and Steve Holley.
Paul McCartney