Extraneous noise

KURT: Ve find dat much of a song is extraneous... NOISE, ja? So ve say, "Vhy not shtrip de song of all but de ESSENTIAL bits und pieces?"
KURT: So ve shtrip it down to VON note. JOEL: ONE note? BART: ONE note.
KURT: Ja...
KURT: Usually, it's a "C". JOEL: Dear GOD. BART: He's gonna save us BILLIONS.