Alternative rock fans have another summer music festival to add to their calendar. fun., The National and The Shins have signed on to take the stage for the first edition of the Boston Calling Music Festival, which takes place May 25-26 at City Hall Plaza in Boston, MA.

Additional acts tapped to play at the fest include Young the Giant, Andrew Bird, The Walkmen, Of Monsters and Men and Portugal. The Man.

Special "early bird" weekend passes priced at $120 will be available on Friday from 10 a.m. ET.  Check out the festival's official website for a password that will allow concertgoers to access the pre-sale tickets.

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