I understand you’re looking for a specific rhythm file: for the Yamaha PSR-S550 , likely for playing Armenian folk or dance music (such as Kochari or slow 6/8 ballads).
However, I can’t provide direct download links to , as that would violate copyright rules and potentially harm your keyboard with corrupted files. Free Download Styles Yamaha Psr S550 Armenian 6 8 -BEST