Music Director Stuart Malina conducts the Lake Placid Sinfonietta during rehearsal at the Lake Placid Center for the Arts on Wednesday. The Sinfonietta will perform a free, public concert at Keene Central School tonight at 7 p.m. and Mahler’s fifth symphony in a ticketed performance at LPCA on Sunday evening. (Enterprise photo — Sydney Emerson)

Lake Placid Sinfonietta flautist Anne Harrow rehearses at the Lake Placid Center for the Arts on Wednesday. (Enterprise photo — Sydney Emerson)