FEINSTEIN’S: Nikki Blonsky performs at 8 and 10 p.m. tonight and tomorrow. 540 Park Ave., at 61st Street; 212-339-4095.
JOE’S PUB: Judy Kuhn sings the songs of Laura Nyro Monday and Tuesday at 7:30 p.m. Joe’s Pub, 425 Lafayette St.; 212-967-7555
OAK ROOM: KT Sullivan performs songs by Jerome Kern at 8:30 and 11:30 tonight and tomorrow night, and 8:30 p.m. Tuesday through Thursday. Algonquin Hotel, 59 W. 44th St., between Fifth and Sixth avenues; 212-419-9331.