"Queen are a British rock band that formed in London in 1970. Their classic line-up was Freddie Mercury, Brian May, Roger Taylor, and John Deacon."
- Wikipedia (not a very trustworthy source, but this is correct)
It’s all of the above. We can see columns and we can also see symmetry which is when things are symmetrical obviously so the answer is d
EGBDF
If there are ones beyond the main staff, simply skip one letter in the alphabet.
One line above - A
Two lines above - C
etc.
Second movement is in Sonata form