Bradley Cooper recently joined Pearl Jam during the band’s headlining set at BottleRock Napa Valley 2024 over the weekend.On Saturday (May 25), Pearl Jam frontman Eddie Vedder brought out Cooper to perform ‘Maybe It’s Time’, taken from the soundtrack of 2018 film A Star is Born. The Oscar-nominated film starred Cooper as tragic rock star character Jackson Maine alongside Lady Gaga‘s Ally.The song – written by country singer-songwriter Jason Isbell for the film – had its acoustic arrangement retained by Vedder, who sat alongside Cooper for the performance.Vedder introduced the song by talking about the film, which he praised as “very powerful” and “moving”: “Tonight is a very special occasion because [Jackson Maine] is coming back to life.