Tutorial BOSS DR-202 Dr. Groove - Simple Beat & Bass

The BOSS DR-202 Dr. Groove is a classic drummachine with nice bass sounds and interesting filters - one of the first Grooveboxes!
These are the things I show and describe in the video:
select empty pattern
select drumkit and bass-sound
filters
adjust beats per minute
adjust quantization
adjust pattern length
recording drums & bass
recording drum rolls
step recording ghost notes
mute/ unmute
Feel free to ask questions in the comments!