In February of 1848, Indian Agent Robert S. Neighbors (murdered by Erath vigilantes in 1859) stayed a few days in Old Owl’s camp on the headwaters of the Leon River. While there he learned of the Comanche custom in which the first man to wake in the morning woke the others with a song.
Kenneth F. Neighbours, Robert Simpson Neighbors and the Texas Frontier: 1836-1859, Waco: Texian Press, 1975.