At the end of the Civil War (1861 - 1865), slavery was abolished throughout the country and four million Southern blacks found themselves free. For a dozen years, the period known as "reconstruction", they actually lived with this feeling of freedom. Thus music, which borrows the style of popular songs and is spread by itinerant evangelists, is already known as gospel songs. It is the collective expression and music unique to the black American community, based on a mixture of blues, jazz, improvisation, African retentions with a message of hope. During this short ...