University of North Texas. College of Music. [Michael Colgrass, "Tuning the Human Instrument" workshops, 11], photograph, February 24, 2010; (https://texashistory.unt.edu/ark:/67531/metadc1942342/m1/1/: accessed June 8, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .