A method and apparatus for reproducing MIDI (music instrument digital interface) music based on synchronization information are provided. MIDI performance information is detected from a musical score and/or MIDI data. Synchronization information, which contains real performance onset time information...http://www.google.de/patents/US7470856?utm_source=gb-gplus-sharePatent US7470856 - Method and apparatus for reproducing MIDI music based on synchronization information