### Instruction:
What is the Firefly Music Festival?

### Response:
The Firefly Music Festival is a multi genre music festival that started in 2012. It is held in Dover, Delaware and is 4 days long. The artists who perform at Firefly vary significantly in genre, including country, pop, punk, hip hop, EDM, and alternative. Most people who attend Firefly camp onsite, but you can also stay in local hotels or commute to the festival.