Ever since the death of his close friend and bandmate Adam 'MCA' Yauch last month, Beastie Boys member Adam 'Ad-Rock' Horovitz has kept a low profile. Horovitz will make his first public appearance since the tragic loss tonight (June 12) at a concert in Brooklyn, N.Y. to benefit the imprisoned members of Russian punk band Pussy Riot.

As Rolling Stone reports, Horovitz will act as the house DJ at the show, which will include live performances from Heliotropes, Shady Hawkins and TinVulva. The event is organized by feminist art group Permanent Wave and is being held at Death by Audio in the Williamsburg neighborhood of Brooklyn. Price of admission will vary, but a minimum $7 donation is required to get in.

Three alleged members of Pussy Riot – Maria Alekhina, Nadezhda Tolokonnikova and Ekaterina Samucevich – were charged with hooliganism and have been held as political prisoners since March of this year. The band performed in front of Christ the Savior Cathedral on February 21 to protest the reign of current Russian president Vladimir Putin. If the three are convicted, they face up to seven years in prison. Tonight's concert will help raise money to support the legal defense team for Alekhina, Tolokonnikova and Samucevich.

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