GeneralMusic (GEM) WK-2 MIDI Arranger it works great. Yamaha Sr 125 Service Manual Download. Installation Procedures Aluminium Composite Panel. It comes with the manual and power cord. It as some light scuff marks and light scratches The shipping includes insuranceGeneration The WK2 HD MIDI Arranger offers 444 high quality sounds to suit just about any style of music. 16-part multitimbral, with 32 note polyphony, programmable split and the ability to layer 2 sounds together, the WK2 HD MIDI Arranger lets you to create rich, modern sound textures quickly and easily. Effects processors The WK2 HD MIDI Arranger contains 2 independent digital effects processors with 22 reverbs and 22 effects, with controls for the main level and separate send levels for each track.