CAMELOT FANTASIES

I've got 1 on music this time. You may find it easy.

1. Who was nick-named "The King of Skiffle"? For an extra point name his band.
2. Who sang a song about an artist?
3. Don McLean's "American pie" refers to the "Day the music died" which was how he referred to the day 3 singers died in a plane crash. Who were they?
4. Who was known as "The King of Rock & Roll"?
5. Who is the most well-known Motown singer?
6. What is a crescendo?
7. What is a diminuendo?
8. If you're singing a song acapella, how are you singing it?
9. Who is the most well-known Reggae singer?
10. Which song contains the line, "He bought you a race-horse for Xmas"?