Let's hear it for the Armstrongs! Though no relation, Billie Joe and Tim Armstrong have left their mark on punk rock and now they're teaming up with a pair of other Armstrongs to release a new anthem called "If There Was Ever a Time" that will benefit the legendary 924 Gilman in the Bay Area.

Green Day's Billie Joe Armstrong, Rancid's Tim Armstrong, Billie Joe's son Joey Armstrong (of the band SWMRS) and Tim's nephew Rey Armstrong complete the foursome. "If Ever There Was a Time" will be available everywhere July 28, with a run of 1000 flexi-singles also being made available.

"Anything that has to do with working with Gilman and Tim and Joey Armstrong, consider me in," says Billie Joe. "This is about our home and family. Viva Armstrong!"

"It was exciting to work on this song with Billie and crew for the film," says Tim. "Stoked to share the tune with everyone out there and to be donating all the proceeds to Gilman, which is a place so near, dear, and important to us."

The song was recently featured in the documentary, Turn It Around: The Story of East Bay Punk and the film is about to make the rounds with a screening tour. See dates and locations here. Take a listen in the player provided above and to learn how you can donate to 924 Gilman as well, click here.

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