John Calder has more than four decades of professional sound experience. Careers include musician (drums), recording engineer, studio owner, sound designer (theater, film and video), post-production audio mixer (Frontline - Peabody Award), product developer, instructor, marketer, video producer, and music composer.

Creative credits include Neil Diamond (RIAA Platinum Record), The Band, Joe Cocker, Umberto Balsamo (Italian Gold Record), Cornell University, MN Zoo (AZA Top Honors Award), MN History Center (Muse Award), and the MN Science Museum. He has created a range of videos for the Acoustic Geometry YouTube Channel that has over 5 million views.

Moment of Zen

(Calder Creek)