Dave Perlman, left, will perform from 8 to 11 p.m. Friday, June 8, at Pedro O’Hara’s, 134 Main St. Perlman plays a diverse selection of popular cover songs with a concentration in classic and ’90s rock. On Saturday, June 9, from 8 to 11 p.m., singer-songwriter Chad Porter will perform from his wide-ranging repertoire. No cover charge.