Related Clues:

• Keyboard key
• One of the black keys
• Key of Schubert's Symphony No. 5
• Musical note
• A neighbor
• Common trumpet tuning
• Black key near A
• Black piano key
• A's neighbor
• It's a bit higher than A
• Key of Beethoven's 4th
• Key to which most clarinets are tuned
• Half-step above A
• Do:re :: __:C
• A sharp key?