Converting a diatonic bass system into a 12-tone bass system

First things first: a shout-out to Kimric at Smythe’s Accordion Center in Oakland, CA http://www.smythesaccordioncenter.com/ Kimric helped me think through the process, and gave me access to tools and space at Smythe’s Accordion Center. Below is a  detailed description of my accordion’s tuning system and the steps it took to convert my bass system from a […]