On June 6, theconcert series returns to the Highline Ballroom.will feature Laura Michelle Kelly, Christina Sajous, Katie Boeck, Jay Armstrong Johnson and many more performing hits from pop superstars with orchestrations and arrangements by music director Joshua Stephen Kartes. In this exclusive rehearsal room preview, Brandon Victor Dixon (a 2016 Tony nominee for Best Featured Actor in a Musical for his work in) lets loose with Adele’s “One and Only.” For details and tickets, visit broadwaysingsconcert.com