George F. Shepley of Portland had achieved renown as a lawyer and as U.S. Attorney for Maine when, at age 42 he formed the 12th Maine Infantry and went off to war. Shepley became military governor of Louisiana early in 1862 and remained in the military for the duration of the war.
Before the era of recorded music and radio, nearly every community had a band that played at parades and other civic events. Fire departments had bands, military units had bands, theaters had bands. Band music was everywhere.
One surviving letter from the family of Francis Pratt to the young man who was in Canada in 1865 suggests that going to Canada to escape military service during the Civil War was not unheard of. The letter also suggests money was removed to Canada to protect it.