tune
nounUK /tjuːn/
US /tuːn/
A tune is a nice song or melody you can hum.
She hummed a happy tune while she cleaned her room.
OTHER MEANINGS
2. To adjust an instrument so it makes the right sounds.
He tuned his guitar before the concert.
3. To adjust a machine or engine so it works well.
The mechanic tuned the car's engine.
4. To set a radio or TV to a certain channel.
Please tune the radio to my favorite station.