With a run of concerts at the Public Theater, Sting is putting more pieces in place for the launch of a Broadway musical called "The Last Ship." To compose the score, the former Police frontman drew on characters and imagery from the doomed shipyard in his hometown of Wallsend, England. The musical, which Sting is developing with a squad of theater elite, starts a tryout run this summer in Chicago before opening on Broadway next fall. Sting is hoping to prime interest in the musical with his 10-concert series at the Public, which ends on Wednesday. During the intimate show, which also features vocalists such as cast member Jimmy Nail, Sting plays acoustic guitar and sings in a thick brogue, voicing various characters. He is accompanied by a small band that includes fiddle and accordion players. Between songs that blend Broadway anthems with folk sounds from the British Isles, he tells anecdotes from his childhood and the process of creating a musical...