Related Clues:

• Tough key for pianists
• One of the black keys
• Key of Chopin's 'Barcarolle'
• Bach's 'Toccata in -- Minor'
• Key of Beethoven's Piano Sonata No. 24
• G neighbor
• Major scale in which B is the only natural
• Black key that's the first of a threesome
• Key that's oxymoronic at school?
• Musical neighbor of G