Yamaha MODX6 Supplementary Manual page 29

 Playing back Songs, Patterns and Audio files from the Live Set display
Press the [LIVE SET] button, or touch the LIVE SET icon  Select the User Bank  [R] (Play) button
Operation
NOTE When a Song or Pattern is playing back, you cannot change the Performance or the Slot. An error message appears when you try to
change it.
NOTE When a Song, Pattern or Audio file is playing back, you can open the corresponding playback display on the Performance by pressing
the [R] (Play) button.
MODX Supplementary Manual
29