TCU Choral Faculty


Christopher Aspaas serves as Director of Choral Activities and Associate Professor of Music at TCU and most recently served as the Robert Scholz Endowed Chair in Music and Associate Professor of Choral/Vocal Music at St. Olaf College, Christopher received his Ph.D. in Choral Music Education at The Florida State University in Tallahassee, his M.M. in Choral Conducting from Michigan State University in East Lansing, his B.M. in Voice Performance from St. Olaf. Christopher has served on the faculties of Central Washington University in Ellensburg, Washington and Mount Holyoke College in South Hadley, Massachusetts.

At St. Olaf, Aspaas conducted the Viking Chorus, a 90-voice ensemble of first-year student men, as well as the Saint Olaf Chapel Choir, a 100-voice ensemble specializing in the performance of oratorio and larger multi-movement works. In recent years, Christopher has conducted performances of Brahms' Ein Deutsches Requiem, Mendelssohn's Elijah, the Mozart Requiem and Benjamin Britten's War Requiem, which was chosen for broadcast on Minnesota Public Radio.

His travels as a guest conductor, clinician, and adjudicator have taken Christopher to Alabama, Alaska, Alberta, British Columbia, Florida, Iowa, Illinois, Massachusetts, Minnesota, Nebraska, New York, North Carolina, North Dakota, Ontario, South Carolina, South Dakota, Virginia, Washington, Wisconsin and three times to the Sultanate of Oman. He has conducted All-State Choruses in Alabama, Colorado, Florida, Kentucky, Minnesota, North Dakota, Oregon, South Dakota, Virginia and Wisconsin as well as the British Columbia and Manitoba All-Province Honour Choirs. Additionally, Christopher led the All-Northwest Mixed Choir in 2015 and will lead the ACDA Southern Division Men’s Honor Choir in 2016.

Christopher has produced more than forty arrangements and compositions for mixed, men's and women's choirs. Commissioned works include Love Divine, Be Present Now for women's choir, A Closed Path for mixed choir, Tomorrow, I Will Come (The O Antiphons) for mixed chorus, and most recently Shout for Joy to the Lord for mixed choir, brass, organ and optional youth choir. His works are published by Augsburg Fortress, earthsongs, Hal Leonard, and Aspen Hill Music, a publishing house Christopher co-founded with his wife Nancy in 2013.

Aspaas is also active as a tenor soloist, performing Bach cantatas with Helmuth Rilling and the Oregon Bach Festival Orchestra, the Evangelist roles in the John and Matthew Passions of Bach with the Bach Collegium of Fort Wayne, Ind., and other solo roles with the Tallahassee Symphony Orchestra, the Indianapolis Chamber Orchestra, the South Dakota Symphony Orchestra and the St. Petersburg Chamber Philharmonic in Russia. Aspaas traveled to San Luis Obispo, California for a performance of Franz Josef Haydn’s Theresienmesse and Johann Michael Haydn’s Requiem with the Cuesta Master Chorale and Orchestra. In March 2012, Aspaas returned to the role of Evangelist in the St. John Passion at Wingate University and also with the St. Olaf Cantorei in its 2014 performance of Bach's cantata Aus der Tiefe, rufe ich Herr zu dir.

Sheri L. Neill is Director of Music Education and Associate Director of Choral Activities at Texas Christian University, where she conducts the University Singers. She has also served as chair of the TCU Faculty Senate and college section Vice President of TMEA. Choirs under her direction have sung at state and national music educatorsí conventions and she has been a frequent adjudicator and guest conductor for choruses throughout the United States. In addition, being considered a specialist in music education, she has taught choral music to students at all levels in Virginia and Texas. Dr. Neill is also an accomplished singer and has sung with the Robert Shaw Festival/Institute Singers, Carnegie Hall Workshop Choruses, and the Washington Singers. She received a bachelorís degree in music education from Texas Tech University, a master of education degree from Stephen F. Austin University, and a PhD in music education from the University of Missouri-Kansas City Conservatory of Music.

Brad White is an adjunct professor of music at Texas Christian University, where he conducts the Frog Corps, and adjunct professor of music education at the University of Texas at Arlington. In addition, he is a choral consultant for the Northwest, Lewisville, Eagle Mountain Saginaw, and Decatur Independent School Districts. He is co-author of the Hal Leonard textbook series, Essential Elements for Choir, and a clinician for the Hal Leonard Corporation, and he is founder of the new NRH20 Music Festivals, Apex Choral Festival, and the TCU Choir Camp. Past professional appointments include: Director of Fine Arts for the Birdville Independent School District; Vice President of the Texas Choral Directors Association; Choral Director at the Harwood Junior High School; and Choral Director at the Richland and Birdville High Schools. An active and successful conductor, choirs under his direction have performed for the Texas Music Educators Association, he has conducted three choir tours in Europe, and he conducted a concert of Dallas/Fort Worth-area Methodist Churches at Carnegie Hall. Mr. White received a bachelorís degree in music education from Texas Christian University and a masterís in music education degree from Texas Womenís University.

Amy Pummill Stewart is director of the Vocal Jazz Ensembe at TCU. She is an accomplished vocalist and has appeared as a soloist with the New York Pops Orchestra at Carnegie Hall, the Santa Fe Desert Chorale, the Santa Fe Symphony Orchestra, the Corpus Christi Symphony Orchestra, and the Windsong Chamber Choir. She also appears regularly with her familyís four-piano/four-voice show called Clavivoce. Past vocal engagements have been as a soloist on hundreds of recordings for educational and choral publications and commercials and as a soloist in opera productions with the Fort Worth Opera, Partere Box Opera Troup in New York City, and the Theatre Hof Zwei-Groschen Oper in Humbach, Germany. Dr. Stewart has a bachelorís degree in in vocal performance and a masterís degree in organ performance from TCU, as well as a doctorate in worship studies from the Robert E. Webber Institute for Worship Studies.

Janet Whitcomb Pummill is Professor of Professional Practice and Coordinator of Collaborative Piano at TCU and Associate Organist at University Christian Church. She is also an accomplished composer, with compositions published by Colla Voce, Carl Fischer, and Hal Leonard, and with performances of her original compositions and arrangements presented by a number of important ensembles, including the New York Pops in Carnegie Hall and the Fort Worth Symphony in Bass Hall. She is in demand throughout the United States as an accompanist, collaborative pianist, and solo artist, and has performed for regional and national honors and All-State choirs under the direction of such conductors as Robert Shaw, Paul Salamunovich, and Jo-Michael Scheibe. In addition, she and her three daughters tour as a performing piano and vocal ensemble entitled ďClaviVoce.Ē She received degrees from the University of North Texas and the University of Illinois.

Marjorie Mock is a native of the New York City metropolitan area. She studied piano with Alex Chipianelli of Newark, New Jersey from age 5 to 12 at which time she was the soloist with the Ridgewood Symphony, in which her father played violin. At 13 she began study with Doris Frerichs, adjunct of the Juilliard School, in her home studio, until high school graduation. She received a B.S. in music education with a major in piano from the Julia E. Crane School of Music, SUNY at Potsdam. She studied there with James Ball.

She has accompanied in many settings, beginning at the age of 12. In her Texas years, she worked in the Birdville ISD, serving as staff accompanist for Richland High School, Birdville High School and Haltom High School, consecutively, for a total of 17 years. She began at TCU in 2008, and currently accompanies Frog Corps and University Singers as well as a number of students. She has served as tenor sectional accompanist each summer at the TCU All State Choir Camp since its inception in 1997, and she is presently serving as pianist at Glenview Baptist Church in Haltom City. She is a member of SAI music honorary fraternity for women. Marge and husband Bob have three grown children and five grandchildren and make their home in Grapevine.


Dr. Christopher Aspaas
Director of Choral Activities and conductor of the Concert Chorale

Dr. Sheri Neill
Director of Music Education, Assistant Director of Choral Activities, and conductor of University Singers

Mr. Brad White
Conductor of Frog Corps

Dr. Amy Stewart
Conductor of the Vocal Jazz Ensemble and Associate Accompanist of Concert Chorale

Mrs. Janet Pummill
Accompanist for Concert Chorale

The School of Music
TCU Box 297500
Fort Worth, TX 76129
FAX: 817/257-7344