UnScramble this Word: e l g m n o r?

Questions

Renaissance Era: Kind of polyphony said to reach its ultimate degree of perfection (16th c.)?

Renaissance Era: Name one of the two best known Spanish composers of the 16th century?

Renaissance Era: The principal English composer of the first half of the 15th century?

80's Chart Toppers: Name The Artist: Sweet Freedom?

80's Chart Toppers: Name The Artist: Sweet Love?