The band,  Mustang Sally, from Nashville, Tenn., will perform from 8 to 11 p.m. at the Farmers and Merchants Picnic on Friday at what is known as the Back 40. Look for a large, white tent on the north east side of War Memorial Park to find the performance site. Gates open at 7 p.m. Admission is $10 (kids under 12 free). For more about the band, check out Mustang Sally Band on Google.