The Angie Quinn Academy of Pitch Precision

Any a cappella ensemble that prioritizes its principal cantor's true range over those silly flats and sharps on the arrangement staves. ("Angie Quinn" was the love interest in Paul Petersen's 1962 hit record "She Can't Find Her Keys")

Here we go again, no accompanist and a cantor-or-else who doesn't sight-read: Make way for The Angie Quinn Academy of Pitch Precision!