Agoraphobic Nosebleed Sample What Richard Pryor Movie Is Sampled At The Beginning Of Agoraphobic Nosebleed's Song "Thanksgiving Day"?

What Richard Pryor movie is sampled at the beginning of Agoraphobic Nosebleed's song "Thanksgiving Day"? - agoraphobic nosebleed sample

It is from the 1978 film Blue Collar. Below is a link to an article in the magazine Stylus with some new information about the song and album.

Hope this helps:)