Firefly Festival 2024 Lineup. — dua lipa, green day, my chemical romance and halsey will headline firefly music festival in delaware. Firefly music festival is a music festival in dover, delaware.
Megan thee stallion, machine gun kelly, phoebe bridgers, and wiz khalifa will also perform across. — this week oceans calling dropped its lineup for their fall event, which has doubled down on those types of acts and features headliners the dave matthews.