A Vacuum Tube Drum Machine: Eric Barbour, Metasonix at RobotSpeak - CDM Create Digital Music
Amazon.com: FLAMMA FC12 Drum Machine Guitar Pedal Drum Pedal with Real-Time FILL Function, Guitar Effect Pedal with 48 Drum Grooves 6 Music Styles & Tap Tempo EQ Presets, 44.1kHz/24Bit Mini Pedal :