# Play this sound on `channel` (or any channel if -1) and return the channel
	#
	# Repeat the sound `loops` times, `loops == 0` plays it once,
	# `loops == 1` plays it twice and `loops == -1` loops infinitely.
	fun play_channel(channel, loops: Int): Int
	do
		var native = native

		if native == null and error == null then
			# Lazy load
			load

			# Auto print errors on lazy loading only
			var error = error
			if error != null then print_error error
		end

		# If there's an error, silently skip
		if error != null then return -1
		native = self.native
		assert native != null

		# Play on any available channel
		return mix.play_channel(channel, native, loops)
	end