Synthesizer Workstation Motif XF 6 Synthesis Music Production
Synthesizer Technology

http://it.yamaha.com/it/products/music-production/synthesizers/motif_xf
http://en.wikipedia.org/wiki/Yamaha_Motif
http://www.manuelemontesanti.com/Manuele_Montesanti_Official_Web_Site/PRESS_IT_files/InSound056_Focus_MotifXF_Low.pdf
http://www.musicradar.com/reviews/tech/yamaha-motif-xf6-336175
http://www.suoniestrumenti.it/video/dettaglio/yamaha_motif_xf_-_demo_by_gianluca_tagliavini
http://www2.yamaha.co.jp/manual/pdf/emi/italian/synth/motifxf_it_om_b0.pdf