Ed Sheeran is building the buzz for Divide , his upcoming third album, with the release of a third track from it. After the record-smashing whirlwind that was the advance release of Divide tracks “Shape of You” and “Castle on the Hill,” the Englishman changes pace on “How Would You Feel ,” a Kleenex-clincher of a slow ballad assisted with acoustic guitar, piano and drums played with brushes.