Credit: Tim Mosenfelder/Getty Images Annie Clark – better known as St. Vincent – may now be inextricably linked to the effortless cool of her signature Ernie Ball Music Man series. However ...

St. Vincent – sporting a light pink dress and playing a white version of her signature Ernie Ball Musicman guitar – took on the second verse, while Arcade Fire’s Win Butler sang the third.

The Valentine lineup is a funny one, because it tends not to get as much attention as Ernie Ball Music Man’s collaborations with John Petrucci, St. Vincent, Omar Rodríguez-López, and Rabea ...