Tuning

The orchestra makes discordant noises when tuning up.

The best ear training is tuning a piano or harpsichord.

The standard pitch A is used as referential pitch for tuning most of all instruments and is set to 440 Hertz.

The orchestra's tuning up.

Tom is tuning his guitar.

They have been tuning the organ all day.

Mary is tuning her guitar.

Tom and Mary are tuning their guitars.

I can't tune into the radio station. The tuning knob is broken on the radio.

He's tuning his guitar.