The Spaniels Bande son

The Spaniels were an American R&B doo-wop group, best known for the hit Goodnite, Sweetheart, Goodnite. They have been called the first successful Midwestern R&B group. Some historians of vocal groups consider Pookie Hudson to be the first true leader of a vocal group, because the Spaniels pioneered the technique of having the main singer solo at his own microphone, while the rest of the group shared a second microphone.
Read more: Wikipedia