Grateful Dead drummer Mickey Hart waxes poetic in a free-ranging interview with KRUU radio personality Mike Ragogna, entertainment contributor to the Huffington Post. As an original member of one of America's seminal rock bands that featured two drummers, "Rhythm Devil" Hart is a percussionist and musicologist.

Composer Bill Frisell has been one of the leading guitarists in jazz since the late '80s. His eclectic music touches on progressive folk, classical, country, noise and more. He is known for using an array of effects to create unique sounds from his instrument. His new record, "Beautiful Dreamers" on the Savoy Jazz label, came out Tuesday.