Based on the song "Just Like Old Times" by Todd Snider.
There are countless references to other Todd Snider songs throughout the film, including Play a Train Song, Devli's Backbone Tavern, K. K. Rider, VInyl Records, etc.
Skip, Carla's friend from the bar she works at, is based on Todd Snider's real life friend Skip Litz, who inspired his song "Play A Train Song". Multiple references to this song are made, such as Jesse telling Carla that she's "hotter than the hinges hanging off the gates of Hell" and telling Carla, "Don't be afraid to turn to me, Babe, if he don't treat you well."
The song Jesse plays Carla in the hotel room is "Can't Complain" by Todd Snider.