Lisa Hannigan – Underground Arts – Philadelphia, PA – February 25, 2017 – Photo by Chris Sikich © 2017 Lisa Hannigan & Heather Woods Broderick – Underground Arts – Philadelphia, PA – February 25, 2017 One of the best voices around haunted the glorious Underground Arts recently — Lisa Hannigan. The Irish songstress whose vast lyrical palette allows for her vocal brushstrokes to go far and wide through the soul ended her U.S. tour with a triumphant set. Touring in support of h