A critical component of a style file is the (CASM is not an acronym but a section header). This data tells the keyboard which instrument voices to use and how to transpose the notes when a user changes chords. Without CASM data, a style may use the wrong instruments (e.g., a drum track playing piano sounds).
Not every free style will work. Check your manual for:
(Devotional, Bollywood, and Movie packs) for the PSR-SX and S-series keyboards. Chris Eastown’s SFF1 Collection : For owners of entry-level keyboards like the