Related Clues:

• Hitting the right notes
• Made a grand grander?
• Sounding fine
• Musically accurate
• Like a good-sounding piano
• Like good pianos and engines
• Adjusted guitar strings
• Well-pitched
• Sounding right
• Ready to play, you might say
• Not sour
• In perfect pitch
• Ignored, with ''out''
• In pitch
• Accurately, in music