Sonja Goedkoop of Boston and Eddie Fleckenstein of Boston, held up an Alpinehorn as John Banker, far right, of the Berkshire Mountain Wanderers played on Friday, Oct.r 13, 2013 at the Samuel Adams Octoberfest at the Park Plaza Castle in Boston.
Sonja Goedkoop of Boston and Eddie Fleckenstein of Boston, held up an Alpinehorn as John Banker, far right, of the Berkshire Mountain Wanderers played on Friday, Oct. 13, 2013 at the Samuel Adams Octoberfest at the Park Plaza Castle in Boston.
Laurie Swope/The Boston Globe

Music won’t be the only thing on tap at Boston Calling this fall.

The festival announced on Thursday that Samuel Adams’ annual Boston Octoberfest will be joining the three-day celebration.

All the usual Octoberfest fun will be on hand for Boston Calling ticketholders 21-years-old and over to enjoy, including beer samplings, stein-hoisting competitions, and, of course, plenty of traditional German food.

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Attendees are encouraged to wear their best lederhosen and dirndls for the beer-drinking bash within the music fest, as this year’s Octoberfest is also a part of Samuel Adams’ 30th anniversary celebration.

In addition to all the brews, the festival features a stacked musical line-up, including Lorde, Childish Gambino, Nas, and The Roots.

Boston Calling’s fall festival will be held at City Hall Plaza Sept. 5-7.