function resume(sound_name, id) {
	const sound = audioTracks[sound_name];
	if (sound && typeof sound !== "undefined") {
		sound.play(id);
	} else {
		throw new Error("audio clip " + sound_name + " does not exist");
	}
}
resume the specified sound on all channels<br>
@param {string} sound_name - audio clip name - case sensitive
@param {number} [id] - the sound instance ID. If none is passed, all sounds in group will resume.
@example
// play a audio clip
let id = me.audio.play("myClip");
...
// pause it
me.audio.pause("myClip", id);
...
// resume
me.audio.resume("myClip", id);