Firefly Music Festival Announces 2020 Dates, Return To 4-Day Format

DOVER, Del. (CBS) - Music festival fans will be happy to hear that Delaware's Firefly Music Festival is returning to its four-day format. This year's festival was cut to three days.

The 2020 festival will take place from June 18 to 21.

The lineup has yet to be announced.

Pre-sale tickets go on sale Wednesday.