# Set Play Tone Replaces the implementation of the [music play tone](/reference/music/play-tone). ```sig music.setPlayTone((frequency: number, duration: number) => {}) ``` ## Parameters * ``f`` the replacement function ## Example This example send the frequency and duration over radio and plays it on the remote @boardname@. ```typescript input.onButtonPressed(Button.A, () => { music.playTone(440, 120) led.toggle(0, 0) }) radio.onReceivedNumber(function (receivedNumber) { const freq = receivedNumber >> 16; const duration = receivedNumber & 0xffff; music.playTone(freq, duration); }) input.onButtonPressed(Button.B, () => { music.setPlayTone((frequency: number, duration: number) => { radio.sendNumber((frequency << 16) | (duration & 0xffff)); }) }) ``` ## See also [rest](/reference/music/rest), [ring tone](/reference/music/ring-tone) , [tempo](/reference/music/tempo), [set tempo](/reference/music/set-tempo), [change tempo by](/reference/music/change-tempo-by)