Mike D of Beastie Boys has announced a handful of new shows, set for this month in New York and California. The hip-hop pioneer shared the news of his upcoming performances on Instagram on May 6th, writing, “Los Angeles and Brooklyn. It’s happening. Shows. New music. Switch Up. Let’s Go.” The California shows are planned for May 7th at Plaza Night Club and Dance Hall, and May 10th at Sid the Cat Auditorium. The Brooklyn shows will happen on May 22nd and 23rd at Xanadu Roller Arts in Brooklyn. Tickets are on sale now . The shows arrive after Mike D joined his sons Skyler and Davis Diamond — the alternative band Very Nice Person — for a viral surprise performance on April 11th, at the Ojai Valley Women’s Club in California.…