Wiki information Catler:

Jon Catler
Blues Artist, Musical Artist, Person

Jon Catler is an American composer and guitarist specially known for playing microtonal guitars like 31-tone equal tempered guitar, a 62-tone just intonation guitar, and a fretless neck. He is the member of Catler Bros and Willie McBlind...

The Humors of Catlerickard
Canonical Version, Musical Recording