Midcoast Senior College presents its FREE "Winter Wisdom" series sponsored by The Highlands. Each week presents a new topic and speaker. Ross Crolius will present a talk about his 25-year busy career with the Metropolitan Opera, the largest performing and most prestigious arts organization in the country. He will provide background information about the Met Opera and sing an aria or two. Before retiring, Ross Crolius was a full-time Met chorister where he sang an annual average of 200 performances at the Lincoln Center theater as well as on tour. His prior musical background includes two seasons performing with the Gregg Smith Singers, a three-year enlistment in the Soldiers Chorus of the U.S. Army Field Band, and degrees from the Peabody Conservatory of Music and the Eastman School of Music.