It is true that today's softsynths that emulate hardware CV-controlled analog ones bring us an experience very close to the real thing. However, as most would say, nothing ever beats the real thing in terms of experience, and some would then aspire to have these CV-controlled devices. However, there are occasions that you want to use your MIDI controller to operate your CV gear in a latency-free and pitch-stable manner. The Kenton Electronics USB SOLO just fits like a perfect glove for the job.