WU: AUMIDISynthesizer (AU) app analytics for July 14

The WU (Wrapped Units) Series audio units exposes the user interface of the systems Audio Unit and makes it available to all host applications that support AUv3 audio processing plugins. Even if those hosts do not support UI-less units. Use the effect, well known from GarageBand on MacOS and iOS with any host application and ensure consistent sound with all your projects. This audio unit delivers a fully compatible General MIDI synthesizer for playing up to 16 MIDI channels in realtime.