This podcast episode explores the musical journeys and influences of trumpet player John Eric Kelso and guitarist Matt Munisteri, founding members of the traditional jazz band The Irregulars. They discuss their new album "Live at the Ear Inn" and the delicate balance between respecting jazz traditions while incorporating modern influences. The episode also delves into the role of the trumpet in collective improvisation, the origins of the teregato in jazz, and the experiences of session musicians. Listeners are encouraged to support NPR and public media.