This week's Friday Brain-teaser from xrefer tests your knowledge of Pop and Rock Groups. Answers here

1. Which English rock group, formed in 1964, included Pete Townshend and Roger Daltrey?
2. Which Swedish pop group, formed in 1973, took its name from the initials of its four members' first names?
3. Which band had Ozzy Osbourne as its vocalist until 1979?
4. Which band with vocalist Marti Pellow had a 1994 European hit with a song that was featured in the film "Four Weddings and a Funeral"?
5. Which Irish quartet consists of four siblings named Andrea, Caroline, Jim and Sharon?
6. Which band containing Steve Harris and Dave Murray took its name from a medieval instrument of torture?
7. Liam Howlett was the creative force behind which UK group?
8. Which American vocal group included Otis Williams, Paul Williams and Eddie Kendricks?
9. Which group was formed in 1968 by Sylvester Stewart?
10. Which rock group took its name from the title of a book by Michael Leigh about sadomasochism?