Steve Earle talks about his Martin 1-28 guitar named Doris, a guitar he played on several tracks of his 2009 album titled "Townes." He ends by playing "Poncho and Lefty."

Steve Earle talks about his Martin 2-24 and ends by using it to play "Halo Around the Moon."

Steve Earle talks about his Martin 3-17 and ends by using it to play "Brazos River Song," aka "The Texas River Song."

Steve Earle talks about size 5 Martin guitars, the baby guitars. He ends the episode playing "Christmas In Washington" on his 1938 Martin 5-17.

Steve Earle discusses size 0 Martin guitars, in particular his 1870s Martin 0-28. He ends the episode playing "Every Part of Me" on his 1931 Martin 0-21.

Steve Earle gives the history behind his 1944 Martin 00-21, previously owned by Burl Ives. He ends the episode playing "God Is God" on it.

Steve Earle discusses Martin's 000 (that's "triple-aught") sized guitars, showcasing a 1974, 1936, and 1938 model. He closes out the episode playing "Tennessee Blues" from his album "Washington Square Serenade" on the 1974 000-45.

Steve Earle talks about his favorite guitar, a 1935 Martin D-28. He ends the episode using it to play "Tom Ames' Prayer."

Steve Earle discusses the history of the Martin M guitars and their predecessors, the converted arch tops. He closes out the episode playing "The Girl on the Mountain" on his M-21 Steve Earle Custom Edition guitar.

Steve Earle talks about his 1919 Gibson Style O and ends the episode playing "Outlaw's Honeymoon."

Steve Earle showcases several Gibson mandolins including a 1926 F4, a 1926 A Jr, and his favorite, a 1910 Gibson A, which he uses to play "Galway Girl." He ends the episode paying respect to his recently deceased son, Justin Townes Earle.

Steve Earle discusses his 1931 Gibson L-10 previously owned by Tom Crandall. He ends playing "Telephone Road."

Steve Earle talks about his 1926 Gibson L-1 which he uses to play "South Nashville Blues."

Steve Earle talks about his 1934 Gibson Kalamazoo KHG-14 which he then uses to play "My Old Friend the Blues," because sometime the cure for the blues is just more of the blues.

Steve Earle talks about his 1933 Gibson L-00, a guitar he used on "The Low Highway" title track. The episode ends with Steve playing "You’re the Best Lover That I Ever Had."

Steve Earle talks about his 1930 Gibson Marshall Special, the rarest guitar in his collection. He ends playing “John Henry was a Steel Drivin’ Man.”

Steve Earle talks about the Gibson Nick Lucas Special and showcases his most recent purchase, a 14 fret 1935 Gibson Nick Lucas Special which he uses to play “Sparkle and Shine.”

Steve Earle tells us about the Gibson Roy Smeck Radio Grande while showcasing his 1939 version. He ends the episode playing “Ellis Unit One.”