The RY20 uses Yamaha's AWM (Advanced Wave Memory) tone generator system to create 300 realistic tunable voices including drums, effected drums, all kinds of percussion, and basses. You can add reverb or delay to the voices using the built in effects. Using one of the 20 user drum kits, you can assign any voice to one of the pads. The RY20 has 50 preset patterns and has the ability to create and store 50 user patterns of your own. Combine tracks from different patterns and store them for an additional 50 'combination' patterns. Patterns can be combined to create complete songs. The RY20 can store 50 songs in its memory.
Looking to buy the Yamaha Rhythm Programmer RY20? Check for availability.