Computer retailers are hearing about it. Music store sales people are buying and selling it. Musicians and students are talking about it. Professional writers are publishing articles about it.
Entire magazines are devoted to it.
Students at the Massachusetts Institute of Technology are receiving large grants to research it. MIDI stands for Musical Instrument Digital Interface and has been the rage among electronic musicians throughout its six year existence. It is a powerful tool for composers and teachers alike. It allows musicians to be more creative on stage and in the studio. It allows composers to write music that no human could ever perform.