Music Quiz

As my name suggests, I am a musiclover indeed. I love all types of music, be it country, pop, classical, R&B, etc. So I thought, that today I'm going to post a little quiz on music :) :-

1. Which band was known as the 'Sigma Six'?
2. Which famous singer's real name is 'Reginald Dwight'?
3. Which famous duo wrote the songs for the film, 'The Sound of Music'?
4. Which famous soprano sang the songs in the film 'My Fair Lady'?

5. What does this building house?(easy peasy!)

Answers: Pink Floyd, Elton John, Rodgers & Hammersteins, Marni Nixon, ABBEY ROAD STUDIOS!!!