Our guest today is Dr. John Chalmers, author of Divisions of the Tetrachord. He shares his experiences and interactions with Harry Partch, Erv Wilson, Ivor Darreg, and other folks working with microtonal and xenharmonic music. We had a good chat about various tuning systems such as tritriadic scales and the merits of 12, 19, 31, 41, and 53 equal.John also mentions Kathleen Schlesinger, Elsie Hamilton and ancient Greek scales. If anybody can find the missing musical scores of Elsie Hamilton, let us or John know! At 56:26 John talks about 'The Sound of Feeling', so here is a recording you can listen to: https://soundcloud.com/esetee/hex-c-gdavid Published writings on microtonal music by John Chalmers: http://www.tonalsoft.com/sonic-arts/chalmers/chalmers.htm John Chalmers's favorite Links: http://www.tonalsoft.com/sonic-arts/chalmers/links.htm WE NOW HAVE A SCHEDULE! New episodes will come out on the 12th day of every month. And most months we'll treat you to more than one episode. Music Intro: Prelude 2 for 19-Tone Guitar by Ivor Darreg (from Detwelvulate!) Outro: Portrait of John Chalmers by Warren Burt (from Harmonic Color Fields) Support us on Patreon! https://www.patreon.com/nowandxen Follow http://nowandxen.libsyn.com https://twitter.com/now_xen https://www.facebook.com/nowxen/ Subscribe RSS: http://nowandxen.libsyn.com/rss iTunes: https://itunes.apple.com/us/podcast/n… Spotify: https://open.spotify.com/show/1mhnGsH… Stitcher: https://www.stitcher.com/podcast/nowxen Twitter: https://twitter.com/now_xen Facebook: https://www.facebook.com/nowxen/ YouTube: https://www.youtube.com/channel/UCnmYNMpemAIq8DnK5HJ9gsA