Yamaha Expansion Pack



A Yamaha Expansion Pack is a package which adds more content to the keyboard:
- Voices
- Styles (optional)
Voices and styles are merged into a file, having a "yep" extension.
Some YEPs contain Registrations and/or MultiPads. These data are not included in the "yep" file.

- YEPs for the A2000, S750 and S950 have the same format.
- YEPs for S650 is another format.
The size of YEPs is limited by the keyboards storing