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,

Bridgeport, CT’s annual Soundside Festival just announced their 2025 lineup and, based on our findings, have enlisted some of the biggest names in music to take over Seaside Park on Sept. 27-28.

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.