“Wind Power” features Schubert’s monumental Octet for winds and strings; Boccherini Quintet and duos from Mozart’s “The Magic Flute.” Eric Hoeprich, period clarinet; Stephen Hammer, classical oboe; Andrew Schwartz, bassoon; Todd Williams, natural horn, and Daniel Stepner, Baroque violin, and ensemble. Aston Magna Artistic Director Daniel Stepner, Baroque violin, leads each event and delivers a pre-concert talk one hour before each performance.