Soundside Festival in Bridgeport, CT will feature headlining sets from The Killers, Weezer, Hozier and Vampire Weekend. The two-day event (Sept. 27-28) formerly known as the Sound on Sound festival will once again take place at Bridgeport's Seaside Park,

Soundside Music Festival will return to Bridgeport, Connecticut at the beginning of the fall season with headlining performances from the Killers and Hozier. Scheduled for Sept. 27 and 28 at Seaside Park,

Last year, from the ashes of the Sound On Sound festival rose a new event, Soundside Music Festival. Year 1 started out strong with Noah Kahan and Foo Fighters ( who later canceled) as headliners. Year 2 is looking good, too: The 2025 lineup was announced today and leading the way are The Killers and Hozier.