sentences:  Shug, meanwhile, learns more about Celie's relationship with Mister and encourages her to find her inner strength ("Too Beautiful for Words"').That night, at Harpo's Juke Joint, Shug brings down the house with a raucous blues number ("Push Da Button").Sofia arrives with her new boyfriend Buster and dances with Harpo, prompting Squeak to pick a fight with her ("Uh Oh!