The Siren Music Festival has confirmed its initial lineup. The free event will take place in the Coney Island section on Brooklyn, NY on July 17. The 10th annual event will feature repeat acts for the first time with appearances by Ted Leo and Matt and Kim. Siren will also host a few upcoming bands, including Surfer Blood, Pains Of Being Pure at Heart and Harlem. Additional bands and DJs will be confirmed in the coming weeks.