Last Version is 22.214.171.124, published in 7-Oct-2011.
MidiPiano is a MIDI file player, recorder and editor, Lets you can make piano quickly and easily. MidiPiano has a number of excellent educational features. As it plays a MIDI file, the piano keys used light up, color-coded according to which hand is playing, while at the same time a useful and intuitive 'Piano Roll' displays the music graphically. The performance can also be slowed down to aid your study, and the hands individually muted. You can also record performances and save them as MIDI files, using MidiPiano as an introduction to MIDI sequencing.
A guide for MidiPiano: http://www.musicarta.com/midi_piano_music.html
Download here: http://virtualpiano.googlecode.com/files/MidiPiano_216.zip
MidiPiano - 迷笛虚拟钢琴