The Cavaliers are an American barbershop quartet known for their a cappella style and four-part harmony. Founded in the mid-20th century, they are notable figures in the traditional barbershop music scene. Their blend of lead, tenor, baritone, and bass voices, often featuring Pete Neushul's distinctive tenor, has resulted in several award-winning performances. The Cavaliers are renowned for their preservation and promotion of this unique American musical form.