There are no muster rolls in the records for the first two years of the war for his Company I, this precludes knowledge of his enlistment and service up to the time of his discharge.

We do not know if he was a member of the regimental band, or a Company Fifer or Drummer. As it is, he apparently never saw combat. I believe band members served as riflemen when not on parade evolutions, non combat.

I would believe that the two company musicians, Fifer & Drummer, were used during combate to sound music calls for different evolutions.

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There is only one card in his record which shows he was discharged December 30, 1861, William Soule, Musician, Company I, 10th Tennessee Infantry

M268: Compiled Service Records of Confederate Soldiers Who Served in Organizations from the State of Tennessee

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In July, 1861, the 10th Tennessee was reported with 720 men armed with flintlock muskets. When accepted into the service of the Confederate States of America, the regiment was reorganized and the Giles County company was designated Company I. This regiment remained at Fort Henry from the time of its organization in May, 1861, perfecting itself in drill and discipline, until the bombardment by Federal forces on February 6, 1862. The artillery bombardment lasted about four hours.

There was no infantry engagement. Before the white flag of surrender was hoisted, Confederate General Tilghman ordered the infantry forces to withdraw and fall back to Fort Donelson on the Cumberland River. After wading a number of streams swollen by rain and snow, and being constantly harassed by Federal cavalry, the Confederate infantry reached the presumed safety of Fort Donelson late that night.

The fighting at Fort Donelson started on February 13, 1862, and lasted until the surrender on February 16. The 10th Tennessee fought in Heiman's Brigade, composed of the 10th, 42nd, 48th, and 53rd (Alfred H. Abernathy) Tennessee Infantry Regiments, Maney's Tennessee Battery, and the 27th Alabama Infantry Regiment, totaling about 1600 men.

The 10th Tennessee Infantry suffered severe losses and earned the sobriquet of "The Bloody Tenth." After the surrender of Fort Donelson, the field and staff officers were taken as prisoners of war to Fort Warren. The line officers were taken to Johnson's Island. The non-commissioned officers and privates were taken to Camp Douglas, Illinois. At Camp Douglas they were treated with atrocious barbarity in numerous ways, even to the extent of shooting through the barracks at night, killing and wounding prisoners asleep in their bunks.
http://www.rootsweb.ancestry.com/~tngiles/cvlwar/10thtenn.htm