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Update on-event.md (#1718)

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Explain what "background melody" means
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Niels 2019-01-04 00:57:55 +01:00 committed by Peli de Halleux
parent 79b47fb62a
commit 7856c046f4
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docs/reference/music/on-event.md
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@ -49,3 +49,17 @@ input.onButtonPressed(Button.A, () => {
music.setTempo(100) music.setTempo(100)
music.beginMelody(music.builtInMelody(Melodies.Ringtone), MelodyOptions.ForeverInBackground) music.beginMelody(music.builtInMelody(Melodies.Ringtone), MelodyOptions.ForeverInBackground)
``` ```
## Background melody
The events related to background melody get triggered by a melody that is played inside a run in background block.
```
control.inBackground(function () {
basic.pause(Math.randomRange(0, 5000))
music.beginMelody(music.builtInMelody(Melodies.Entertainer), MelodyOptions.Once)
})
music.onEvent(MusicEvent.BackgroundMelodyStarted, function () {
basic.showIcon(IconNames.EigthNote)
})
```