Civil War Brass Band Photo

Last week I discussed regimental brass bands playing Saxhorns during the Civil War. I just ran across this 1864 photo of one of the Federal/Union Army Bands playing on top of Lookout Mountain, near Chattanooga, South East Tenn.
Courtesy Tennessee Artifacts History Facebook page via Jay Krush, tubist with the Grammy-award-winning Chestnut Brass Company.