After making a surprise appearance on stage with his sons, Beastie Boys ‘ Mike D has now confirmed a handful of rare live headline shows. The hip-hop pioneer took to the stage with his sons – who together form the alt-band Very Nice Person – on April 11. He joined them at the Ojai Valley Women’s Club after the band teased a “very special guest”, and together they broke out the huge hit ‘So What’cha Want’ from the 1992 album ‘Check Your Head’, as well as ‘Looking Down The Barrel Of A Gun’ from the 1989 album ‘Paul’s Boutique’. Now, he has confirmed that he will be taking to the stage again very soon, and has some solo shows with new material planned for the US later this month. These include two slots in California tonight and Sunday (May 7 and 10), held at the Plaza Night Club and Dance Hall and the Sid The Cat Auditorium respectively. From there, he will head over to Brooklyn for shows at the Xanadu Roller Arts venue on May 22 and 23. “Los Angeles and Brooklyn. It’s happening. Shows. New music. Switch Up.…