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Leia Browning

Director of Choirs

Leia Browning has been a high school choir director for 16 years. After coming to Rockwall HS in 2012, she has become increasingly excited to work in the world of a cappella. In 2015, her show choir “Walk the Line” started venturing into the world of contemporary a cappella when they decided to compete in ICHSA for the first time. Since then, they’ve left the “show choir” label behind, and have accomplished quite a lot in a short time, including four trips to ICHSA Semifinals, a trip to ICSHA Finals in 2017, and first place and numerous special awards at TVAC in 2019. In addition to competition, “Walk the Line” completed their first album in May of 2019 and has been featured on BOHSA 2019 and 2020, Voices Only 2019, and has been nominated for 3 CARA awards for “Best Scholastic Debut Album”, “Best High School Album”, and “Best Scholastic Arrangement - Tomas Padron”.


Leia is a member of TMEA and TCDA and enjoys working with groups from all across Texas. She attended TVC’s “NextLevel Direct” seminar in the summer of 2018, and continues to teach rehearsal strategies based on what she learned there.

Parker Lessmann

Associate Director of Choirs

Parker Lessmann began as the associate director of Rockwall High School choir in 2019, where he directs the school's all female a cappella ensemble, Sting. The 2021 ICHSA national finalists released their debut album, Coronation, in 2021. Prior to RHS, he served as associate choral director at McKinney High School from 2017-2019, following his tenure at the Austin Academy for Excellence in Garland ISD. Under his direction, his choirs have exclusively earned Sweepstakes ratings at UIL Concert & Sightreading, and superior ratings at multiple choral festivals, including Best in Class.

Mr. Lessmann is a graduate of Texas A&M University-Commerce, where he earned his Masters of Education and Texas Christian University, where he earned his Bachelor of Music Education. During his time at TCU, he participated in various ensembles, including the TCU Concert Chorale, University Singers, Jazz Ensemble, and the Frog Corps men's chorus. He has previously served as a vocalist in the Dallas Bach Society as well as the Verdigris Ensemble. Currently, he serves as a choral section leader at St. Andrew United Methodist Church of Plano, and is a member of the Texas Choral Directors Association and Texas Music Educators Association.