Use absolute positioning in summary
Draw parts on top of eachother in song list
Space press should prevent scrolling and input
Update help for muting and soloing
Display a cute little app on the test runner
Assert song preview contains notes
Break note view subclasses into their own files
Use consistent spec names
Test note selection
cleanup
fix the test preview window position
tempo zero doesn't really make sense.
Select notes by dragging a box
move selection box to a controller
subtractive select boxes
Set the target of the notes edit views
Expand selection coverage
Selection is grey
Boxed notes are temporarily selected
Resolve over saving performance issue