While Cooper says that Vedder mainly helped him with little details about the inner workings of the music industry, it’s hard to claim that Vedder didn’t have some influence on the character himself, however unintentional that may have been.
It’s fitting that Eddie Vedder would perform “Maybe It’s Time.”
Vedder and Bradley Cooper are personal friends and Cooper has said that he spent a lot of time with the singer in order to learn what he needed to know in order to play the part of Jackson Maine.