Nashville Ballet recently announced that its annual fundraising gala, Ballet Ball, scheduled for March 3 at the Schermerhorn, will feature musical performances from alt-rock visionary Ben Folds and chart-topping singer-songwriters The Civil Wars. The musical artists will perform some of their well-known material while dancers perform original choreography by artistic director Paul Vasterling. Of course, there’s solid precedence for this in the ballet’s strong efforts to collaborate with pop and country artists — a tradition that continues in part with Salsa Dreams, the ballet’s winter program. The lineup includes “Cryin’ Out,” a piece danced to music written and performed live on stage by the estimable Gary Nicholson, whose songs have been recorded by Bonnie Raitt, Vince Gill, the Dixie Chicks and others. Nicholson will perform some of his most recognized tunes, including “One More Last Chance,” “More Love” and “Choose Love.” The program’s title piece, previously performed in 2005, features the unlikely fusion of ballet and salsa, with live music provided by Lalo Davila y Amigos. Also on this appealingly eclectic bill is Aaron Copland’s “Billy the Kid,” a quintessential American work inspired by the life of the infamous Western outlaw. This staging represents its Nashville Ballet premiere.