Elizabeth Ziff is the new musical composer for Season 2 of the l word. Who is she? She's one fifth of the band BETTY. Ah, click. Connection made. Yes, BETTY is the band who wrote and sings this season's theme song. Also, they appear on the Season 2 Soundtrack--which Elizabeth Ziff has Executive Producer credits on along with Ilene Chaiken, Rosie Lopez of Tommy Boy Records, and Natasha Duprey.