Popular song lyrics constitute an exception to dominant, standard language ideologies of English: nonstandard grammatical forms are common, relatively unstigmatized, and even enregistered in the genre. This project uses song lyrics to test whether genre cues can shift linguistic expectations, influencing how speakers process morphosyntactic variants. In three self-paced reading experiments, participants read sentences from pop songs. Test sentences contained either ‘standard’ NPSG + doesn't or ‘nonstandard’ NPSG + don't. In Experiment 1, some participants were told that the sentences came from lyrics, while others received no context information. Experiment 2 eliminated other nonstandardisms in the stimuli, and Experiment 3 tested for the effect of stronger context information. Genre information caused participants to orient to the sentences differently, which partially—but not straightforwardly—mitigated surprisal at nonstandard don't. I discuss future directions for understanding the effects of context on sociolinguistic processing, which I argue can inform concepts like genre and enregisterment, and the processes underlying language attitudes. (Morphosyntactic variation, genre, invariant don't, language ideology, pop songs, experimental sociolinguistics, sentence processing)*