" He tried to get them to sing, but they could not hit the note and had no sense of the musical rhythm of white people, but only the subtle and constantly varying beat of Comanche songs, the floating tenor. Samuel counted out pennies into their hands and sent them to the sutler’s store for hard candy so they could understand the meaning of money but when they came back they put the hard candies beneath their blankets in the army tent and did not eat them. They were afraid of being poisoned.

Jiles, Paulette. The Color of Lightning: A Novel (p. 302). HarperCollins e-books. Kindle Edition. "

― Paulette Jiles , The Colour Of Lightning