On top of this, you can expand the list of styles via the floppy disk drive. Over 100 styles from standard 8 and 16-beat to ballad, swing and country, are provided - all of which have been arranged by top professional musicians from around the world. No matter what style of music you want to play, we're sure you'll find what you're looking for. '112 Accompaniment Styles: Play any type of music: Yamaha introduces some great new styles in the PSR550. Here's what Yamaha had to say about the PSR550's styles:
The PSR550, introduced in 2001, was the next generation PSR450, and also a hint at what was to come in the PSR2000.