Exactly! And it's very easy to do with Korg PA3x, AFTER you become familiar with the OS and all its intricacies.
Roland is more intuitive, especially the models that read directly from USB drive.
Of the primary arrangers, i.e. Yamaha, Korg, Roland, Ketron, Korg is the hardest OS to learn, but it may well be the deepest and most versatile as well.
DonM