3. KindofadragSwift example of dragging around a UIView with optional snap
4. MIDIFileSequenceAn Objective-C iOS 5 app that loads a MIDI file (user supplied) and plays it through an Audio Unit Graph. The sampler reads a user supplied DLS or SoundFont2 file
7. auappSimple example of an AUv3 MIDI app
8. MIDIPlayerSwift example of using AVMIDIPlayer from a file or from a MusicSequence