Possible Clues:

• Key of Elgar's "Symphony No. 1"
• Center of a black key trio
• Neighbor of G, on a piano
• Piano key next to G
• Musical scale — fatal (anag)
• Major key of Chopin’s “Heroic” Polonaise
• Key of Chopin's Polonaise No. 6
• Note the requirement of student looking for accommodation?
• Note how it's not at all sharp to have one for a living