UnScramble this Word: s r u o c s w a?

Questions

what name did nick rhodes, john taylor, simon le bon, roger taylor & andy taylor take?

what name is given to the style of western music from about 1600 1750?

what name is the musician, charles hardin, better known as?

what nationality are the members of the 80's pop band a ha?

what nationality is celine dion?