For Product(s): VS-1680 / VS-1824CD / VS-1880 / VS8F-3 / BR-1600CD Version 2 / DR-880 This is an application for playing back Standard MIDI Files that can be used in place of a full-featured sequencer or librarian program. You will need a MIDI interface on your computer to use this program. For Operating System(s): MacOSX / MacOS / WindowsXP / Windows2000 / WindowsMe / Windows98 / WindowsNT