FUNDERGROUND: If your biggest regret about being an adult—other than taxes and high blood pressure—is the sheer lack of playing games for the fun of it, the Come Out & Play Festival has your inner child’s number. Kicking off Friday night, the fest runs all weekend, organizing/hosting more than 30 games, activities or other fun, utterly ambition-free pastimes. Parachutes! Life-sized mazes! Something called the First Annual Paper Airplane Derby! The Opening Party is at Park Slope’s Brooklyn Lyceum at .
BEAUTIFUL DAY: Running through June 12, engagingly retro-flavored singer-songwriter Nellie McKay settles into a residency at Feinstein’s at Loews Regency, playing tunes from her latest release, an album of Doris Day covers (don’t gape, this stuff is genius) called “Normal as Blueberry Pie.” .