Stefan Stenzel, co-founder/CTO (Chief Technology Officer) of German high-quality hardware and software synthesizer brand Waldorf Music, and Pea Hicks, self-styled custodian of all things OPTIGAN for the last 20-plus years, are proud to announce availability of iOptigan — an iOS app ‘adaptation’ of the OPTIGAN, an early-Seventies-vintage chord organ fondly remembered by a faithful few for its unique ..