anchor: love.audio.newQueueableSource
  Creates a new Source usable for real-time generated sound playback with Source:queue.
  source = love.audio.newQueueableSource( samplerate, bitdepth, channels, buffercount )
  samplerate number Number of samples per second when playing.
  bitdepth number Bits per sample (8 or 16).
  channels number 1 for mono or 2 for stereo.
  buffercount (0) number The number of buffers that can be queued up at any given time with Source:queue. Cannot be greater than 64. A sensible default (~8) is chosen if no value is specified.
  source Source The new Source usable with Source:queue.