radio radio
You would be using a radio if you were trying to tune into an AM or FM frequency.
A radio?
The Band
...A radio...
A radio?
You would probably be using a radio receiver. It is possible you'd be using a transceiver, which combines the functions of a transmitter and a receiver.
a radio
The beat frequency of two in-tune musical instruments is zero.
The tune of What's the Frequency Kennith appears on REM's Monster cd. The song was written by Bill Berry.
tune to the frequency
The beat frequency of two in-tune Musical Instruments is zero.
They have a low frequency. Grasshoppers can also alter their sound to stay in tune to specific noises they come in contact with.