Roland MC-101 Groove Box
Purchased 2022-06-22 500$
https://www.bestbuy.com/site/roland-groovebox-black/6409321.p?skuId=6409321
https://www.roland.com/us/products/mc-101/
https://www.roland.com/us/support/by_product/mc-101/owners_manuals/
https://rolandcorp.com.au/blog/the-ultimate-guide-to-the-roland-mc-101-groovebox
https://www.roland.com/us/rtv/product_support/mc-101_video_manual/