MARQUETTE, Mich.−The Opera Theater Workshop at Northern Michigan University will present a free public performance of “Little Red Walking Hood,” a unique spin on the classic fairy tale. The event is scheduled for 12:15 p.m. Wednesday, April 8, in Reynolds Recital Hall. The 35-40-minutes production features music from LehÃ¡r's “The Merry Widow.” This will be the only public performance on campus. It follows a series of performances at local elementary and middle schools. For more information, contact Robert Engelhart in the NMU music department at 227-1038.