A Jinglementary: Looking Beneath the Balls (1970)

Sinopsis

Jenny and Jeremy Ball are the worst jingle writers in the world. They pull up stakes in Tennessee to pursue their dream of making it in the big city of Los Angeles. They share with us their southern wisdom, a little history of their lives and their process of writing their jingles. After a sudden phone call, they are invited to the Ashenbaum Advertising Agency to showcase their songs.