This doesn't directly relate to your query but illustrates how mathematical concepts can represent musical ideas.
Searching for “Yamaha PSR-S900 Kontakt free download updated” often leads to: yamaha+psr+s900+kontakt+free+download+updated
Yamaha’s factory samples and voice data are copyrighted intellectual property. A direct, unauthorized extraction of these samples (via software like "PSR Sample Manager" or old tools like "Awave Studio") and repackaging them into a Kontakt instrument is piracy . This doesn't directly relate to your query but
: The most recent official software update for the hardware is the Firmware Updater V1.30 , which is available for free download at Yamaha Support. yamaha+psr+s900+kontakt+free+download+updated
This review provides an overview of the Yamaha PSR-S900's capabilities and its potential integration with software like Kontakt, highlighting its value as a musical instrument.