Amazon.com: USB MIDI Keyboard Controller MINI 32-Key, Donner N-32 with Screen, Sequencer, Chord, Bend Sound Effects By Light-up Joystick for Mac/PC, Music Production Software, 40 Free Courses : Musical Instruments
External MIDI Modules -
Amazon.com: midiplus miniEngine USB MIDI Sound Module : Musical Instruments
Connecting Audio + MIDI Signals Inside PC Music Software