The Legendary YAMAHA DX21 Huge Sound Library Sound Editor`s YAMAHA DX21 Original Factory and New Created Sound Library and Editors - 30,500 single voices. Legendary YAMAHA DX21 Sounds: Dance, Rock, Alternative, Pop, Orchestra, Band, Pianos, Rhodes-Piano, Electric and Acoustic Instruments, Solo, Strings, Pads, Bass, Drums KIT and Percussion, FX... YAMAHA DX21 Operating Manual (PDF) SYSEX FORMAT; Universal Sysex Library/Patch Editor; New Universal Midi Editor; Requirement: Windows 3.1/95/98/NT/SE/2000/XP/Vista/7/8/10; or 386 (or OS X minimum processor); or Atari ST; 4MB RAM; 5MB disk space; Compatible MIDI (USB) interface/Sound card; Two MIDI Cable (IN/OUT); Download only All set`s include huge sound library and editors. You can load/save/edit single voices/patches/banks/effects in computer and transfer to your synth. Very easy to installing and work. You need computer, synth, midi cable (in/out) and midi interface to connect your synth to the computer sound card. NOTE! This is NOT actual synthesizer! Sound Library and Editors ONLY! New Life-n-Energy for your beloved Old School Synth`s!!! We offer a big selection original factory and created sounds/single voices/patches in SYSEX Format for download in real synthesizer. All set`s includes huge sound library and editors. You can load/save/edit single voices/patches/banks/effects in your computer and transfer to your synth. Its very easy to installing and work. You need a computer, synth, midi cable (in/out) or USB midi interface to connect your synth to the computer. Sound Libraries for: Roland D-10/110/U-110/D-20/D-220/U-20 Roland D-50/550, Roland D-70, Roland JX-8P/JX10P Roland JV1010/JV1080/JV2080 Roland XP-30/50/60/80 Roland MKS-7/MKS-50/MKS-70/MKS-80, Roland Julo-1/Juno2/Juno-106 Kawai K-1/K-3/K4/K-5/K5000, KORG M1/X3/X5/X5D, KORG DW-6000/DW-8000 KORG POLY-800/POLYSIX, Yamaha DX1/DX5/DX7/DX7II/DX9/DX11/DX21/DX27/DX100/TX81Z/TX802 Yamaha SY37/SY55/SY85/SY99, Yamaha TG35/TG55/TG77 Oberheim Matrix 6/12/1000/OB…