Civil War Band Instruments
Civil War Brass Instruments were classified by the directions of their bells:
Front, Upright and Over-The Shoulder.
Over-the -shoulder instruments were very popular for street and military bands as they sent the sound of the music backwards toward the troops marching behind the band.
The Keyed Bugle
Here is information about it. He plays it at 2:00.
Cornopeans
Cornets