Zella Day, Conrad Sewell Join Lineup for Billboard Hot 100 Music Festival - Billboard

BillboardZella Day, Conrad Sewell Join Lineup for Billboard Hot 100 Music FestivalBillboardArizona-raised alternative-pop artist Zella Day and Aussie singer-songwriter Conrad Sewell have been added to the lineup for the Billboard Hot 100 Music Festival, which is set to take place Aug. 22 and 23 at Nikon at Jones Beach Theater in New York.