STAUNTON — Les Petits Chanteurs, a 40-member men’s and boys’ choir from Port Au Prince, Haiti, will perform at 7 p.m. Sept. 13 at Trinity Episcopal Church, 214 W. Beverley St. The 30-voice choir, a group of select performers ranging in age from 8 to 18, is accompanied by a string ensemble from the Holy Trinity Philharmonic Orchestra.