]]> The Arizona Masterworks Chorale


Since 1979, Arizona Masterworks Chorale has earned a reputation
as a premier adult choral performing group in the State of Arizona.

Our Mission

The Arizona Masterworks Chorale (AMC) is a chorus of skilled musicians with passions for artistic excellence, sharing the joy of choral artistry and enriching the cultural quality of life in Arizona through memorable performances of a wide range of choral music, Classical to Contemporary.

The Arizona Masterworks Chorale is an equal opportunity, non-profit corporation committed to serving a diverse population.




Dr. Karen Parthun

Karen Parthun, Director

DR. KAREN PARTHUN has a very extensive and impressive background as a choral conductor and educator; her resume is attached. She has served on the faculty and conducted choirs at Arizona State University and the University of Missouri-St. Louis, and served as Artistic Director of the Arizona Arts Chorale, the Scottsdale Symphony Chorus, and the Roswell (NM) Civic Chorale. She has also conducted orchestral concerts, and has extensive experience in church music. She currently serves as Music Director at Ascension Lutheran Church in Paradise Valley.

Karen holds a Doctorate Degree in Musical Arts in Choral Conducting as a Regents Scholar from ASU, in addition to undergraduate degrees in Music and Theater, and plays a variety of instruments. She brings a wealth of sacred music experience, having served in the Phoenix area at Valley Presbyterian Church, and seven Lutheran, Methodist and Episcopal congregations in the Phoenix area, Virginia, New Mexico and Montana.

Karen loves to teach and has done so at 'ASU, University of Missouri and five public schools. She also served as the .Artistic Director at the Arizona Arts Chorale and the Scottsdale Symphony Chorale. Her resume is four pages single spaced, so she obviously has a passion for music.

Not only is she a gifted musician in her own right, she has a heart to bring out the best music in others, whether that be in congregational music, a children's choir, a bell choir or a special church event. Dr. Karen Parthun received her Doctorate in Choral Conducting from Arizona State University, Masters of Music from New Mexico State University, and Bachelor of Music and Theater K-12 from Eastern New Mexico University. She is a national choral clinician, on the registry of World Strides Heritage Festivals, and an accomplished soprano in Musical Theater and Light Opera performing with the Melbourne and Sydney Philharmonic Orchestras, Opryland Broadway Theater, Four Corners Opera, Great American Vaudeville and Theater, and at Lincoln Center with Robert Shaw.

Her choirs have performed with Bobby McFerrin, Doc Severinson, Garrison Keiler, and Bob McGrath from Sesame Street. Her orchestral conducting includes; Scottsdale Symphony , Mesa Symphony, ASU Sinfonietta and Chamber Orchestra, UMSL Orchestra, St. Louis Festival Brass, and Clear Lake Symphony-in Texas.

As Director of Choral Studies at ASU and UMSL, Parthun has also been a music educator in the public schools for 11 years in AZ, NM, MT, and VA. A sacred musician since age 18, Dr. Parthun is passionate about worship and creating exciting and meaningful worship experiences for children and adults. Parthun's family includes one son, Asher, who serves in the Navy, daughter-in-law Rebecca, and three grandchildren; Penelope, Oliver and Eleanor. She currently lives in NorthPhoenix with her Jack Russell Terrier, Jack.




Kent Trostel

Pianist and composer Kent Trostel has an impressive background with a variety of collaborative musical efforts, highlighted by his exemplary performances with The Arizona Masterworks Chorale throughout Arizona, Washington D.C., and Eastern Europe.
Kent is one of the first artists to perform on the Mid-America Series at Weill Recital Hall at Carnegie Hall with Elaine Bonazzi and the Peabody Camerata in 1989. Kent has performed under the baton of Benjamin Zander and the late Lorin Maazel with The World Youth Symphony at Interlochen, MI. Kent has also performed under the baton of Leon Fleisher and David Zinman with the Peabody Symphony Orchestra at Joseph Meyerhof Symphony Hall in Baltimore, MD. In the US, Kent has performed from San Diego, at The Hotel del Coronado with the Idyllwild Woodwind Quintet, to Fitchburg, Massachusetts, where he was music director of the first ever Steampunk Opera.
In Europe, Kent .performed his own compositions live on the radio in Connemara, Ireland, and performed in Krakow, Poland as accompanist of The Arizona Masterworks Chorale in 2006.
Kent is a charter student and graduate of The Idyllwild Arts Academy in California. He completed his undergraduate degree at The Peabody Institute at Johns Hopkins University in three years with a perfect GPA.
Currently, Kent is celebrating his nineteenth season as accompanist of The Arizona Masterworks Chorale and enjoying his second season as accompanist of Sun City Women’s Chorus. He frequently shares his original vocal and instrumental compositions in concerts and services at the Unitarian Universalist Church of Surprise, Arizona.

DIRECTOR 2008-2018


Bill Gleason, Director

DR. WILLIAM A. GLEASON received a D.M.A. In Choral Music from Arizona State University. He also holds a B.S. in Music Education and an M.M.A. in Choral Conducting from the University of Illinois at Urbana-Champaign. Dr. Gleason taught vocal and general music for ten years in Illinois at both the junior high and high school levels. After serving as a graduate teaching assistant at Arizona State University for two years, he has taught at Chandler - Gilbert Community College and the Avondale Elementary School District. He currently serves as Director of Music at First Presbyterian Church in Sun City. Dr. Gleason has served as choral director at churches in Illinois and Arizona for over twenty years and conducted the Choralaires of Phoenix men’s chorus. As a choral singer, Dr. Gleason has traveled extensively including trips to Carnegie Hall in New York, Mexico City, and Europe on concert tours. He has also served as a clinician and adjudicator in Illinois and Arizona.



Mary Ann Dutton, Director Emeritus

MARY ANN DUTTON, d. 2016, was the founder of Arizona Masterworks Chorale. She was the director of the Chorale from its inception in 1979 until 2007. She is Professor of Music Emeritus at Glendale Community College and was affiliated with Rio Salado Community College. Her credentials include study in conducting with Robert Shaw and Margaret Hillis. She received degrees from Arizona State University and did graduate study at Northwestern University. Ms. Dutton has served on the boards of the Arizona Opera Company, the National Opera Association, and the Flagstaff Festival of the Arts. She has directed international tours and conducted the BBC Concert and Flagstaff Festival Orchestras. Mrs. Dutton served on the Board of Directors of the National Society of Arts and Letters.


Since 1979, The Arizona Masterworks Chorale has thrilled audiences with their devotion to – and love for – excellent choral music. In London, Munich, Carnegie Hall, Washington, DC and Valley-wide, the group has been recognized for both the quality of our performances and the breadth of their presentations.

Mary Ann Dutton, Director Emeritus with AMC at Rock Church, Helsinki

The Chorale was affiliated with the Phoenix Symphony from 1979 to 1996, and for ten seasons, the Chorale performed with the Flagstaff Festival of the Arts Orchestra. Other significant venues included the BBC Concert Orchestra at Royal Festival Hall and the Bavarian State Radio Orchestra in Munich. Those concerts were broadcast throughout Europe.

On three occasions, The Arizona Masterworks Chorale performed in New York City’s Carnegie Hall at the invitation of New York Pops’ founder and musical director, Skitch Henderson. One special performance was at the celebration commemorating Carnegie Hall’s 100th anniversary. In May 2004, the Chorale was proud to represent the State of Arizona at the Dedication of the World War II Memorial in Washington, DC. Then, in May 2006, the group traveled to Prague, Krakow and Vienna in celebration of the 250th anniversary of Mozart’s birth.

In May 2014 AMC performed John Rutter’s “Gloria” with the Chandler Symphony Orchestra, directed by Dr. Zheng.


Mary Ann Dutton, Director Emeritus with AMC at Rock Church, Helsinki


For more information,

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email us at

or write us at
PO Box 86159
Phoenix, AZ 85080



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