Decrease MINBGSEP
Set axis in plotbg()
Added bgstats()
Use (faster) time constant for moving main background farther out
Normalize total background freq to 1.0
Assume anything farther than the main background is also background
Added comment
Added tempo to TrackSets, added more track sets
Handle (ignore) additional OSC messages from frontend
Default to Grid App in non-present mode
Revamped VisualizerGrid to handle control of Ableton, use regular 8x8 grid