“Dark as a Dungeon,” written by Merle Travis, was originally a song about coal mining — about work so dark and so total that it became its own kind of imprisonment. Carl Perkins performed it at Folsom, and its extended metaphor of physical labor as captivity translated directly to an audience familiar with both.
“25 Minutes to Go” was a novelty song about a man about to be executed, counting down the time left with increasingly desperate humor. Cash had performed it at prison concerts before; its combination of gallows humor and genuine horror was exactly calibrated for an audience that lived with the reality that gallows humor addressed.
“Cocaine Blues” and “Orange Blossom Special” moved the set toward crime and virtuosity respectively, holding dark content alongside the pleasure of skilled performance. “The Long Black Veil,” one of the most elegiac songs in the country repertoire, introduced a different kind of darkness — the story of a man who dies rather than produce an alibi that would reveal an illicit affair, leaving a woman to mourn him at his grave.
The comedy songs — “Dirty Old Egg-Sucking Dog,” “Flushed from the Bathroom of Your Heart” — came in the middle of the set, providing release from sustained tension and demonstrating that Cash could hold an audience’s attention with laughter as effectively as with darkness.
“Jackson” with June Carter changed the register entirely, introducing competitive duet dynamics and the specific energy of two strong personalities performing a song about a deteriorating marriage with evident relish.