In Identity, Robert Maine sings "I Got Stripes" at one point.
In Venom: Let There Be Carnage, after Cletus escapes from San Quentin, he sings, "And I'll walk out a wiser, stronger man. Mister Warden, you taste just like ham", a parody of Cash's song, "San Quentin", which goes, "And I'll walk out a wiser, weaker man. Mister Congressman, you can't understand."
Veronica Mars: In the season two episode "The Rapes of of Graff", Veronica is doing orientation at Hearts college. She plays an icebreaker game with the orientation leader where she has to tell two truths about herself and one lie, and the "lie" she comes up with is "I once shot a man in Reno just to watch him die".