Question: What American songwriter born in Muscle Shoals Alabama has co-written songs for the younger sister of recording artist Britney Spears?
Sentence (from "Muscle Shoals Rhythm Section"): The Muscle Shoals Rhythm Section, also known as the Swampers, is a group of American studio musicians playing soul, R&B, rock and roll and country, based in the city of Muscle Shoals, Alabama.
Relevant evidence: No