Related Clues:

• Second of three black keys
• Chopin's 'Polonaise in ___ Major, Op. 53'
• Piano key next to A
• Note next to F
• Note how it's not at all sharp to have one for a living
• Sounds as if it's just a part meant, by the sound of it
• Not how one might live there
• If one's not sharp, by the sound of it, one may still get this apartment
• Take note of this apartment
• 'Perhaps a part meant to sound close to 6 down (1,4)'
• Black key that's the first of a threesome
• Black key above G
• Key of Chopin's 'Black Key Étude'
• G-sharp, alternatively
• Key of Chopin's "Heroic Polonaise"