Sarah Jessica Parker sings “If You Wanna Know How, Call The Cow” from “The Substance of Fire”

Substance of Fire“If You Wanna Know How, Call The Cow” from Miramax feature film “The Substance of Fire”, directed by Daniel Sullivan. Sarah Jessica Parker, vocals. Lyrics by screenwriter and co-producer Jon Robin Baitz, based on his Off-Broadway play of the same name. (Speaking vocals by Roger Rees.)

More info at imdb.com/title/tt0117773