This isn't Arts it's writing, but the answer is: It is an incomplete sentence because there is no subject to go with the predicate.
Answer:
F major (or the key of F) is a major scale based on F, with the pitches F, G, A, B♭, C, D, and E. Its key signature has one flat.
Answer:
I would suggest yellow hearts by Ant Saunders, but it depends on what your taste is in music.
Explanation: