From Rocklopedia Fakebandica
The Simpsons (first aired 26 March 1992), Homer discovers and promotes this country singing star voiced by Beverly D'Angelo. Lurleen sings several songs including "Your Wife Don't Understand You," "Bagged Me a Homer," and "Stand By Your Manager." She also mentions several other songs she's written: "I'm Basting a Turkey with My Tears," "Don't Look Up My Dress Unless You Mean It," and "I'm Sick of Your Lying Lips and False Teeth."
She has a brief cameo in the "Marge vs. the Monorail" episode (first aired 14 Jan. 1993) where she just came out of the Betty Ford Clinic and a more substantial role in the "Papa Don't Leech" episode (first aired 13 April 2008).