Video by Yamaha Global via YouTube
Source
Yamaha PSR-E383 / YPT-380 / PSR-EW320 / YPT-W320 / EZ-310 Tutorial Video
Importing MIDI Song file
https://www.yamaha.com/2/psr-e383/
https://www.yamaha.com/2/psr-ew320/
https://www.yamaha.com/2/ez-310/