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Artistic Staff 
Marcela Molina, Director 
Chris Fresolone, Assistant Director (Director, Jubilate)
Jess Edelbrock, Associate Conductor, (Mariposa Singers, Bumblebees), Community Outreach Director, Conductor                   (Midtown Engagement Choir)
Sylvia Munsen, Associate Conductor (Ladybugs, Hummingbirds)
Gloria Day, Associate Conductor (Downtown Engagement Choir and Southwest Engagement Choir)
Natalie Hall, Associate Conductor (South Engagement Choir)
Hailey Butler, Bumblebees, Ladybugs, and Hummingbirds Assistant
Woan-Ching Lim, Accompanist (Ladybugs and Hummingbirds)
Sangjoon Park, Accompanist (Bumblebees, Mariposa Singers)
Jooyeon Hwang, Accompanist (Southwest and South Engagement Choirs)
Joel Castleton, Accompanist (Downtown Engagement Choir)
Yi Qing Tang, Accompanist (Midtown Engagement Choir)

Administrative Staff
Verneatte Poleyestewa, Administrative Executive
Charlene Deal, Bookkeeper

Artistic Staff 

TGC Director
Marcela Molina, DMA 

Dr. Molina has been affiliated with the Tucson Girls Chorus since 2006, first serving as Artistic Director and taking the helm as Executive Director in 2011. Under Dr. Molina’s guidance, the Tucson Girls Chorus has grown significantly in both program and outreach. Dr. Molina feels passionate about the social impact TGC is doing in our community and is committed to change lives through music. In 2011 she was an honoree in Tucson's 40 under 40 for her significant achievements and contributions in her profession and community. In 2014, Dr. Molina was one of eight in the state of Arizona chosen as a Cox Hispanic Heritage Month honoree and in 2016 she was selected as finalist for the Woman of Influence Awards in the category Arts and Culture Champion.  

Born in Bogotá, Colombia Dr. Marcela Molina holds a degree in Theory and Composition from Westminster Choir College and a doctorate in Choral Conducting from the University of Arizona. As a member of the Westminster Symphonic Choir (1998-2001), Dr. Molina sang under the batons of Joseph Flummerfelt, Kurt Masur, Wolfgang Sawallisch, Zdenek Macal, and Sir Colin Davis with such esteemed orchestras as the New York Philharmonic, the Philadelphia Orchestra, the New Jersey Symphony and the Orchestra of St. Luke’s. In 2002 Dr. Molina joined the theory faculty for the Select Young Artist Certificate Program at the Westminster Conservatory.

From 2003-2006, as a graduate student at the University of Arizona, Dr. Molina served as assistant conductor of the Tucson Arizona Boys Chorus. She has enjoyed podium time with the professional choir True Concord Voices and Orchestra, The Arizona Choir, University Community Chorus, and The Women's Choir of The Vocal Arts Festival among other undergraduate ensembles at the University of Arizona. From 2008-2012 Molina served as the Artistic Director and Conductor of the Tucson Masterworks Chorale.

Dr. Molina serves on the board of the AZ American Choral Association as the chair for Women's Choir Repertoire and Standards. She contributed four articles to the book Teaching through Performance in Choir, Volume 2. and often serves as a clinician and guest conductor at choral festivals and All-State Choirs. 

Assistant Director

Chris Fresolone, DMA

Dr. Fresolone directs the Jubilate Choir and is the accompanist and assistant conductor for the Advanced and Alumnae Choirs. 

He completed his doctoral studies in organ performance with a minor in choral conducting from the University of Arizona. He is also organist at Casas Adobes UCC Church in Tucson and teaches music at The Gregory School, where he teaches choir, band, theory, general music, and music-directs the all-school Musical.

Before arriving in Tucson in 2006, Chris lived in the Seattle area, where he was a church musician, music educator, and musical theatre director. Chris served as musical director for productions including Bye Bye Birdie, Footloose, Nunsense, and the Taxi Cabaret, which Chris first directed for the Village Theatre's Festival of New Musicals in Issaquah, WA.

Chris received a bachelor's degree in music, a bachelor's degree in computer studies, and a master's degree in music technology, from Northwestern University in Evanston, IL.  While a student at Northwestern, Chris worked for Harmonic Vision, where he helped develop and support music educational software from the award winning Music Ace series. Several of Chris's original compositions appear within the software! Chris also served as organ scholar and assistant conductor for the Northwestern University Chapel Choir.

Chris is originally from New Jersey; during his high school years he performed (and was president of) in his high school choir and the Buttondowns, the school's select men's vocal ensemble. He played in the pit bands for the musicals at his school and at local colleges (including Godspell, Into the Woods, and Pippen), and he played the French Horn in the New Jersey Youth Symphony.

Email Dr. Fresolone

Associate Conductor/Engagment Program Director

Jess Edelbrock

is thrilled to be TGC's new Community Outreach Director and the Conductor for the wonderful ladies of the Bumblebees and Mariposa Singers. She received a B.M. in Choral Education from Northern Arizona University in May 2013, and is currently pursuing her Masters Degree in Choral Conducting at the Michigan State University Summer Program. 

Jess directed the choir program at Central High School in Phoenix for one year before moving back to Tucson, then spent two years as the music teacher at Mesa Verde Elementary. Jess now teaches music at the Tucson Hebrew Academy, is the music director for Capilla del Sol Christian Church in Northwest Tucson, and maintains a small piano studio. She accompanies choirs and musicals throughout Tucson, and serves as on the board for the Arizona Choral Educators.

Jess is passionate about empowering students through music, and is so grateful to have the chance to do so at TGC.

Associate Conductor, Ladybugs, Hummingbirds

Sylvia Munsen

Dr Munsen has served as an interim Music Education faculty at the University of Arizona. Dr Munsen is recently retired as the first Beverley Taylor Sorenson Endowed Chair of Elementary Arts Education and professor in the School of Teacher Education and Leadership at Utah State University. She has served as artistic director and conductor of the Cache Children’s Choir program in northern Utah. Her career spans more than 40 years teaching early childhood classes to elementary general music to undergraduate and graduate courses in higher education. In addition, she founded and conducted children’s choirs in every community where she lived and created apprenticeship programs for university students to obtain pre-student teaching experience with the choirs. Dr. Munsen also created international student teaching programs in China and Norway and continues to serve as the coordinator and supervisor of those programs.


Munsen was the founder and conductor of the Ames Children’s Choirs (ACC) program in Ames, Iowa, for 16 years. The ACC Concert Choir toured throughout the United States and conducted special tours to Canada, the Czech Republic, and Norway. The Concert Choir was selected to perform for ACDA-North Central Conferences, national conferences for Orff-Schulwerk and Kodaly, and festivals in Canada and the Czech Republic. The choir performed the world premiere of John Rutter’s Mass of the Children at Carnegie Hall with the composer conducting. Dr. Munsen created and served as director and conductor of children’s choir festivals in Iowa and Utah featuring bass-baritone Simon Estes and commissioned works by Bob Chilcott, Rene Clausen, Rollo Dilworth, and Z. Randall Stroope, who conducted the premieres with mass choirs of 400 singers. Her choirs served as the resident children’s chorus for Utah Festival Opera and Arizona Opera.

Active as a clinician from regional to national and international venues, Dr. Munsen has conducted more than 45 festival and honor choirs including all-state choirs, festival choirs at Carnegie Hall and in Brazil, and master classes in China. She has published choral arrangements through Kjos and Santa Barbara. In addition to studies in Dalcroze Eurhythmics, she is a master-level Orff-Schulwerk specialist and a certified Kodaly specialist and has degrees from St. Olaf College, where she sang in the St. Olaf Choir, and the University of Illinois. She sang in and arranged music for the trio The Chenilles, which performed for four years on Garrison Keillor’s "A Prairie Home Companion." In 2012 she received the prestigious Medal of St. Olav from His Majesty Harald V, King of Norway, for collaborations between Norway and America through her work in education and music, and was received by the king at the Royal Palace in Oslo in 2013. 

Associate Conductor, Downtown Tucson Engagement Choir

Gloria Day

Gloria Day received her Bachelor’s and Master’s degree in Music Education from the University of Arizona and has two levels of Orff Certification.  She served as president of the state music education association board, adjudicated for regional festivals and was guest conductor for Elementary All-State choir.  Ms. Day received many awards including Arizona Music Educator of the Year in 2003. After retiring from the Marana School District where she taught general music, band and choir for 30 years, Ms. Day continues her musical career through many community groups.  She directs the children’s choir at Northminster Presbyterian Church, sings in the adult choir and has been a member of the Tucson Symphony Chorus for over 10 years.  Ms. Day also plays flute in Sonora Winds, a community wind ensemble.  Currently, she is directing the Downtown Engagement Choir for the Tucson Girls Chorus Satellite program. 


Woan-Ching Lim

Originally from Malaysia, collaborative pianist Woan Ching Lim collaborates in ballet,
classical vocal, instrumental repertoire and musical theatre. While maintaining an active 
performing schedule, Woan Ching serves as staff accompanist/pianist of University of 
Arizona (UA) School of Dance, UA trumpet studio and Tucson Girls Chorus. Recent 
collaborative performances include Arizona Opera Company, Interlochen Summer Art 
Camp, Tucson Desert Song Festival, Ballet Arizona and Vancouver International Song 
Institute. Woan Ching holds a Master of Music degree in Collaborative Piano from 
University of Arizona under the tutelage of Dr. Paula Fan.


Sangjoon Park

Born in South Korea, Sangjoon has been an award pianist including 1st prize of the concerto competition during undergraduate period in SangMyung University in Seoul. As well as solo recital in Junior, he also participated in several concerts as an organ and harpsichord player including Mendelssohn Eliajin 2006. He moved to Indiana University, Bloomington to study for Master’s. After achieving his degree, now he’s in Doctoral candidate in Piano Performance in University of Arizona, Tucson, studying under Dr. John Milbauer.