 At number 21 in popularity, moving up six notches, fourth week in the survey, Van Halen and Panama. In this week's survey, we have eight acts from the British Isles. Originally from Manchester, England, there's Robin Gibb. From Lancaster, England, John Waite. From Birmingham, Duran Duran. Formed in Chesterfield, the Thompson twins. From Pinner, outside London, there's Elton John. And from London proper, Rod Stewart, Billy Idol, and the three-man band at number 20 in our survey, Wang Chung with...