# Reference

```namespaces
music.playSoundEffect(sounds.animalsCatPurr);
sensors.color(null);
motors.stopAll();
brick.showMood(moods.sleeping);
```

## Advanced

```namespaces
console.log("");
control.runInParallel(function(){});
```

## See Also

[brick](/reference/brick),
[sensors](/reference/sensors),
[motors](/reference/motors),
[music](/reference/music),
[control](/reference/control),
[console](/reference/console)
