Looper Pedalboard Rundown - Built Around the Boss RC-300 - YouTube,Boss RC -300 Loop Station Tutorial/How to Assign up to 4 Drum/Rhythm Patterns to One Song/Patch,RC-300: different loop length EASY [Tutorial],Is the BOSS RC-300 Loop Station still worth it in 2021!? 6 YEARS LATER BOSS RC-300 Long Term Review! - YouTube