Digital Wind Instrument For Carry-On By Blackstar In Black. The Carry-on Digital Wind Instrument (DWI) is an easy to play, creative musical tool for all abilities and ages. Whether you?re just starting out and learning to play, want to practice silently, or explore the exciting world of MIDI with digital wind instrument. The Carry-on Digital Wind Instrument is all digital and can be played just like a traditional wind instrument, with the ability to switch between Baroque (English) or German fingering patterns. It?s a practical solution for silent practice and access to a world of different sound possibilities from quite a few types of wind instruments. It has 10 voices that can be heard via the instrument?s built-in speaker or headphones. Creativity is unlocked using MIDI over Bluetooth for control of synths and other MIDI sound generators such as those in GarageBand.