Supertramp, from 1969 London to Crime of the Century and Breakfast in America: Davies and Hodgson's dual writing, Helliwell's sax, and arena-scale melodic rock.
ABBA went from Eurovision's Waterloo to worldwide singles before the divorce years shut the studio door, then returned with Voyage and the avatar shows.
Texas formed in Glasgow in 1986 around Johnny McElhone and Sharleen Spiteri. They used American soul patterns with a Scottish delivery. White on Blonde, in the late nineties, was the big UK pop album of the run.
In the Raw and Uncut interview from the I'm Your Baby Tonight era (1991), Whitney Houston answers without a talk-show script. She talks voice, image, and the pressure of carrying pop and R&B hits.