Singer-songwriter Colbie Caillat has Gone West with her bandmates
(WorldNews Entertainment)

Colbie Caillat, known for her solo hits `Bubbly` and `Try,` had never performed a song with four-part harmonies before she began playing with the country-flavored band Gone West. `The band is all about harmony-driven acoustic instrumentation and singing, and it´s really fun when we get it right,` the singer-songwriter said. `Sometimes I´ll get to take a step back and do harmonies and hear the others sing leads.` The others Caillat is referring to are her Gone West bandmates - her fiance, Justin Young, longtime collaborator Jason Reeves and his wife, Nelly Joy - who will perform Friday at the Eccles Center for...