Muscle Shoals Sound Studio at 3614 Jackson Highway in Sheffield, Alabama was formed in 1969 by four session musicians called The Muscle Shoals Rhythm Section (and affectionately called The Swampers) who had left Rick Hall's nearby FAME Studios in Muscle Shoals to create their own recording facility. The group closed the Jackson Highway studio in 1979, moving the operation to 1000 Alabama Avenue. The old studio has been listed on the National Register of Historic Places since June 2006.