Here is a link to a tab on this (psrtutorial.com) site.
https://psrtutorial.com/song/yamaha.htmlAs you will see, besides all the wonderful midi and MP3 files supplied by member performers, there is a tab called "Yamaha".
The song files under here are even categorized by the name of the Yamaha players who developed them for the different keyboards.
Further down the page from them you will find the files based on the various keyboards. The PSR-3000 is mentioned among these.
So, don't forget - you can get to the home of "PSR Tutorial Support" by clicking it at the top of this page.
There you will find many marvelous tools, styles, songs and lessons there.