And this....

The war of the rebellion: a compilation of the official records of the Union and Confederate armies. ; Series 4 - Volume 1

Page 1059

AN ACT for the payment of musicians in the Army not regularly enlisted. The Congress of the Confederate States of America do enact, That whenever colored persons are employed as musicians in any regiment or company, they shall be entitled to the same pay now allowed by law to musicians regularly enlisted: Provided, That no such persons shall be so employed except by the consent of the commanding officer of the brigade to which said regiments or companies may belong. Approved April 15, 1862.