The all-star lineup of musicians who will be performing at the West Tisbury library on Saturday, Jan. 14, will be offering far more than a concert by world-class musicians. According to a press release, the Boston-based group the Peace Ensemble “seek to uplift people and help transform culture through their soulful explorations of music.” Band leader Greta Bro explains the mission of the four-member ensemble, saying, “We’re basically a group of musicians who believe in the power of sound to lead people into a new awareness. Music is…