"Making electronic music technology more accessible": Erica Synths and Richie Hawtin's Bullfrog Drums is an educational drum machine inspired by the Roland TR-909
This seven-voice sample-based drum machine is designed to be paired with the other instruments in Erica Synth's educational 'ecosystem', Bullfrog and Bullfrog XL
https://www.musicradar.com/news/erica-synths-bullfrog-drums