Related Clues:

• Brought into harmony
• Ready to play
• With improved reception
• Adjusted a Hummer's hum
• Worked on axles
• Harmonized
• Set the radio
• Accurately pitched
• --- palms (bribed)
• Fixed flats?
• Made a grand grander?
• Like a good-sounding piano
• Like good pianos and engines
• Not sharp or flat
• Adjusted guitar strings