Here is a list of all documented namespace enums with links to the namespaces they belong to:

LoadingStatusMidiEnum : MidiPlayerTK
LoadingStatusSoundFontEnum : MidiPlayerTK
midi_rpn_event : MidiPlayerTK
MPTKChordName : MidiPlayerTK
MPTKCommand : MidiPlayerTK
MPTKController : MidiPlayerTK
MPTKMeta : MidiPlayerTK
MPTKRangeName : MidiPlayerTK
MPTKScaleName : MidiPlayerTK