Used Baktrak Backing Track Pedal - Sweetwater's Gear Exchange
BakTrak Backing Track Player - Contact Page - BakTrak
Amazon.com: Positive Grid Spark Control Wireless Guitar Footswitch Pedal/Controller for Spark Guitar Amplifier and Mobile App with Backing Tracks : Musical Instruments
Digitech Trio Guitar Pedal Demo at Namm 2015 - Creates Backing Tracks In Real Time As You Play - YouTube
BakTrak the Ultimate MP3 and WAV Backing Track Pedal - 'Matt the Riff Master' Review - YouTube
Idoru P-1: Backing track player for live musicians | Indiegogo