FORE MIDI to USB Interface MIDI Cable Adapter with Input&Output Connecting with Keyboard/Synthesizer for Editing&Recording Track Work with Windows/Mac OS for Studio USB 2.0 Color Red - 6.5Ft : Musical Instruments - Amazon.com
Amazon.com: Nalbantov USB Floppy Disk Drive Emulator N-Drive 100 for Yamaha VL1, VL1-m, VL7, VP1, A7000 : Musical Instruments
Yamaha Exploring the DGX640 / YP636 / YP535 Yamaha Keyboard DVD - DGX630 /DGX530 86792319896 | eBay
Yamaha DGX-670 review: The Much Anticipated Update