This will get a few folks twitterpated. Houston Baptist University has selected a .... GASP .... Presbyterian to be director of the school of music!! From The Baptist Standard HBU School of Music director named. Houston Baptist University has named John Yarrington, music professor and choral studies director, as director of the university's School of Music. Yarrington is a graduate of the University of Oklahoma and earned both his bachelor's degree and his doctor of musical arts degree there. He earned his master's degree in sacred music from Union Theological Seminary in New York City. He is director of the chancel choir at First Presbyterian Church in Houston and has served churches in Oklahoma, Arkansas and Texas.