sentences:  The XP-80 includes the 128 General MIDI instrument set, as well as 384 additional preset instruments ("patches" in Roland parlance), for a total of 512 preset patches.Additional user memory is provided for making copies of up to 128 patches, allowing the user to edit patch parameters and save them in memory.There are 8 preset percussion instrument combinations (called "rhythm sets") and 2 user configurable rhythm sets.