tune

US /tuːn/
UK /tuːn/
"tune" picture
1.

a melody, especially one that characterizes a particular piece of music

:
That's a catchy tune!
He hummed a familiar tune.
2.

the state of being in the correct pitch or at the correct setting

:
The piano is out of tune.
Make sure your guitar is in tune before you play.
1.

adjust (a musical instrument) to the correct pitch

:
Can you help me tune my guitar?
The orchestra began to tune their instruments.
2.

adjust a radio or television to receive a particular station or channel

:
Can you tune the radio to my favorite station?
He spent hours trying to tune in the distant signal.