Related Clues:

• Not sharp at all
• Pitched well
• Tonally pleasing
• Neither flat nor 6-Across
• At the right pitch
• Proper way to sing
• Trendy, on end of street, a Parisian flat? No!
• Correct way to sing
• Not off key
• Sound of sound
• Accurate with a score
• Not pitchy
• Not sharp, perhaps
• Ready to play, like a guitar
• Pitch perfect