Metro Vocal Group is remembered for a music video covering a song made famous by which other Hong Kong-based rock band?
Metro Vocal Group:  Metro is best remembered for their music video covering "Boundless Ocean, Vast Skies" (海闊天空), a song made famous by Hong Kong rock group Beyond, and their cover of Joey Yung's "My Pride" (我的驕傲). Beyond (band): Beyond was a Hong Kong rock band that formed in 1983.
Beyond