wichita.edu
…Choir. Mark Hayes is an award-winning concert pianist, composer, arranger and conductor. He has more than 1,200 published works for choir, piano, and solo voice. His music is popular with both church choirs and school organizations. Whether concertizing on the other side of the globe or composing at his home in Kansas City, Missouri, Mark is blessed to …
https://www.wichita.edu/academics/fine_arts/music/choir_summerclinic.php