Midiculous 4 - Serial Number Fixed !new!
The on-screen keyboard highlights notes as they are played. Users can adjust the color of the keys to distinguish between the left hand (bass/chords) and right hand (melody/lead), making it easier to separate parts for practice.
Purchase a second-hand license from a trusted forum (KVR or VI-Control). Old licenses can be transferred for as low as $15, and you can apply Method 3 to reset the HWID. midiculous 4 serial number fixed