This site is dedicated to Yamaha keyboard players - and to musicians generally.

At the site you will find my keyboard and music software programs; my articles about keyboards and music related topics; and my keyboard styles.

Besides this you will find links to keyboard discussion forums; keyboard resource sites; keyboard and music software programs and utility files; and technical data specifications.

Also included here are links to numerous music related web sites; including resources for music software programming; MIDI files; sheet music; and song writing.


If you find the information at this page useful, you can mail me a 'Thank You' (it is FREE) or send me a donation. Donating is voluntary, but appreciated... Sure it is... Smiley

Yamaha Keyboard Resource Site - Thanks Thanks to all donors. To keep this site running, money is required each month. Read here how to become a donor.

General information

Latest site update at July 20 2015.

This site is in no way connected with Yamaha Corporation, its affiliates, or subsidiaries.

All downloads are free of adware, spyware, virus, toolbars, and other unwanted programs. Check McAfee SiteAdvisor.

Privacy Policy

This site does not use cookies.

However Google Inc. may use non-personal information to provide relevant ads. More.


All information at this site is presented 'as-is'. No warranties whatsoever for correctness; completeness or usefulness.

I hereby expressly disclaim any liability for the content in and the legality of externally linked sites and pages.


The Unofficial Yamaha Keyboard Resource Site - Owner and Webmaster Jørgen Sørensen © 1999-2015 Jørgen Sørensen
No part of this site may be reproduced or translated, electronically or otherwise, in whole or in part, without the express written consent of the owner. This also applies to site and page design.

Questions ?

For questions about my software, my articles, or my styles please mail me.

News at this Site

July 20

Now the new page design is implemented at all 181 pages at the site.
The design is optimized for touch screen operation and for all device types: computers, notebooks, tablets and smartphones.
After all: We are living in 2015... Smiley

July 19
Added to Resources page
Free DJX-II styles/patterns
DJX-II styles for PSR/Tyros
Song Selector
Added to Fakebook-Sheets page
Music in MusicXML Format
Added to Music page
Sound Programming

July 15

The new page design is now implemented at all software related pages. Now comes the final task: The 48 articles pages... Smiley

July 13
New software
Single Note Volume Changer

July 11

The 39 pages in the PSR 740 Corner has been collected in 740.pdf for download.

July 10

The new page design is now implemented at all top level pages. Now comes the individual software pages; the articles pages; and the pages in the PSR 740 corner. 170+ pages. Smiley

July 9
Updated software for PSR S970 / S770
OTS Editor (ver. 2.33)
OTS Viewer (ver. 1.14)
Updated software for CVP 609
Music Finder File Manager (ver. 1.22)

July 6
Updated software for PSR S970 / S770
CASM Editor (ver. 1.36)
midi2style (ver. 6.3)
MIDI Revoicer (ver. 1.38)
Style Revoicer (ver. 1.36)
Voice Finder (ver. 1.34)

July 3
Updated software for Tyros 5 PPI-files
Style in YEP/PPI Files (ver. 1.11)

A new page design will be implemented on the site. The design is optimized for touch screen operation and for all device types: computers, notebooks, tablets and smartphones.

More news from 2015