Microarranger is same as PA50
http://korg.com/microarrangerpage 131 of the manual says it can read PA 50, 60, & 80 styles
http://korg.com/uploads/Support/microARRANGER_OM_E1_634617865952010000.pdfadditional free styles are at
http://www.korgpa.com/en/support/bonusware.htmlWith EMC Works 2000, you can convert styles from the most popular formats from Generalmusic, Kawai, Roland, Solton/Ketron, Technics, Yamaha, Wersi. Free copy is at
http://korgpa.com/pa_root/software/bonusware/emc/styleworks2k_korgpa.zipgood luck
Duane