"Sing Well for Deep Well," an annual musical variety show to benefit The Deep Well Project, will be at 7:30 p.m. Friday at First Presbyterian Church on Hilton Head Island. Doors open at 7 p.m. with musical entertainment and a sing-along of favorite music. Performers include Voices of El Shaddai gospel group, May River Theatre, Hilton Head Barbershop a cappella, Hilton Head Plantation Jazz Band, Shore Notes, Main Street Youth Theatre and Vocal Jazz Project performing a program of popular music from all decades. The Deep Well Project is a privately funded, volunteer-based organization that provides food, clothing and other social services to people in need in the Hilton Head community. Admission is free, canned food and monetary donations are welcomed. The church is at 540 William Hilton Parkway between mile markers 5 and 6.