Peterson Goodwyn wants every musician and audio engineer to know how to build, tweak, and repair their own gear. He founded DIY Recording Equipment (DIYRE) in 2010 as a wiki to catalog the world of DIY pro audio. He now conducts workshops, publishes how-to content, and designs DIY kits for DIYRE. In 2014, DIYRE launched the open-source Colour platform for modular, analog signal-processing. Since then, Colour products have found their way into thousands of studios and dozens of designers and have contributed designs to the format. Peter joins Matt for a discussion about his world of DIY pro audio equipment and all that goes into his small working class business.