"Chandelier" isn't Jeremy Messersmith's first pop cover: last year at Rock the Garden, he sang Miley Cyrus's "Wrecking Ball." (Tickets for this year's Rock the Garden are now available.) In a brief conversation before "Chandelier," Messersmith tells Johnson that he has "lots of new songs" he'll be playing on his upcoming "Supper Club" house tour.

Allegra Wallingford, of Eden Prairie, is a rising sophomore at the University of Notre Dame. She runs a music blog called the Suburban Hipster and drinks a lot of coffee.