The fourth annual A1 East 10th St. St. Block Party between First Ave. and Avenue A will take place Sat., June 4, from 11 a.m. to 6 p.m. with stage performances, activities and rides for children and, at the east end of the block, open house at the Boys’ Club of New York and tours of St. Nicholas Church. Featured activities will include face painting, clowns, balloons, martial arts demonstrations and an air trampoline, said Frank Camino, coordinator of the event. Performers will include Dylan Nirvana and his band, Myrrh, Sean Kershaw and the New Ramblers, Ray Santiago Afro Cuban Band and the poet Bina Sharif. Dinner at local restaurants Lanza’s, Moustache and Café Mogador are among the raffle prizes. The rain date is Sat., June 11.