The Musicians

Artistic Director Maria Schleuning has been VOC’s violinist since 1996. A staunch and adventuresome advocate of new music, she has worked with many leading composers, including Samuel Adler, Bruce Adolphe, John Corigliano George Crumb, Sebastian Currier, David Dzubay, Donald Erb, Aaron Kernis, the legendary Witold Lutoslawski, Bright Sheng, and Augusta Read Thomas. She has premiered many new works, the most recent being Dream Catcher, a solo violin work written especially for her as a gift by Augusta Read Thomas.

An active chamber musician, Ms. Schleuning has performed in New York’s Alice Tully Hall, Weill Hall, Merkin Hall, Avery Fisher Hall, and the Museum of Modern Art, as well as at numerous festivals throughout the United States and Europe. Since 1993 she has been a faculty member and performer at the Bowdoin International Music Festival in Maine and has served in the same capacity at Idyllwild Arts in CA since 2007. She has recorded with Continuum modern music ensemble in NYC, as well as in Dallas with grammy-nominated Voices of Change, and the Walden Piano Quartet.

A member of the Dallas Symphony since 1994, Schleuning has been featured as a soloist with the orchestra on many occasions. Other solo highlights include appearances with the Oregon Symphony, Seattle Symphony, and with the Greater Dallas Youth Orchestra on a tour of eastern Europe including concerts at the Gewandhaus in Leipzig and the Rudolfinuum in Prague. She studied with Josef Gingold at Indiana University, where she was awarded the prestigious Performer’s Certificate; with Yfrah Neaman at the Guildhall School in London with a grant from the Dame Myra Hess Foundation; and with Joel Smirnoff at the Juilliard School, where she earned her Master’s Degree.


American Classics – A Continuum Portrait Vol 6 – Seeger CD 2005
Voces Americanas – Rodriguez, Et Al. Voices Of Change CD 2001
Dzubay: Dansing on a Green Bay – Jac Alder, Harvey Boatright, Jo Boatright
Voices of Change, David Dzubay 2003
Innova (American Composers Forum), 2003
Music By Donald Grantham – Jo Boatright, Voices Of Change CD 2000

Helen Blackburn is currently principal flute of the Dallas Opera Orchestra and is on the faculty of Texas Christian University and has served on the faculties of Stephen F. Austin State University and McMurry University.

She appears frequently in recital across the country and in Europe as a soloist and also with her husband, Drew Lang, in their flute/marimba duo. Ms. Blackburn has numerous credits with major performing arts organizations, both as a featured soloist and as a member, including the Aspen Music Festival, the South Bohemia Music Festival, Voices of Change – Dallas’ new music ensemble, the Dallas Chamber Orchestra, and the Chicago Civic Orchestra. In the summer of 2002, she became principal flute at the Brevard (NC) Music Festival.

Helen is a prizewinner of the Myrna W. Brown Artist Competition, the Fort Collins Young Artist Competition and the Aspen Wind Concerto Competition and is a former president of the Texas Flute Society.

An advocate of contemporary music, she works closely with many living composers, including Dan Welcher, Simon Sargon, Martin Amlin, and G. Bradley Bodine.

Ms. Blackburn received her B.M. (summa cum laude) from West Texas State University and her M.M. from Northwestern University. Her primary teachers (to whom she is forever indebted) were Sally Turk, Walfrid Kujala and Brad Garner with additional influence from James Pellerite.

Paul Garner is Associate Principal and E-flat Clarinetist of the Dallas Symphony Orchestra. Prior to his Dallas appointment he was a member of the orchestras of New Orleans and Denver, and also served in the U.S. Military Academy Band at West Point. An active chamber musician, he regularly performs with Fine Arts Chamber Players and the Walden Chamber Music Society of Colorado. He is Principal Clarinetist of the Music in the Mountains Summer Festival of Durango, Colorado, and has performed at the Grand Teton Festival and Brevard Music Festival in past summers. Garner has published in The Clarinet, and has served on the faculty of Southern Methodist University since 1999 where he teaches clarinet and chamber music.

A member of the Dallas Symphony Orchestra since 1976, violist Barbara Sudweeks studied with William Primrose, Max Aronoff and Sally Peck. She has been a concerto soloist with the Symphony, Shanghai Radio Symphony, Jiangsu Province Orchestra, Kaohsiung Traditional Chinese Orchestra, Latvian Chamber Orchestra and the Utah Symphony.

An active chamber music player, she is a member of the Dallas Walden Piano Quartet and has appeared with Pinchas Zukerman, Yefim Bronfman and William Preucil. Barbara teaches viola, orchestral repertoire and chamber music at SMU.

She also enjoys playing and performing on the Chinese erhu.

Kari Kettering has been a cellist with the Dallas Symphony since 2003. A native of Saskatoon, Saskatchewan, Kari completed a Bachelor’s Degree in music at St. Olaf College in Northfield, Minnesota, and a Master’s Degree at Indiana University where she studied with Tsuyoshi Tsutsumi. Prior to joining the Dallas Symphony Kari performed with the Seattle Symphony, Seattle Opera, Pacific Northwest Ballet and the Northwest Chamber Orchestra. She has performed as a guest artist with the Fine Arts Chamber Players and on the Nasher Sculpture Center chamber series and has been a member of the Voices of Change ensemble since 2010. Kari plays a cello made in 1710 by Joseph Guarneri filius Andreas that is generously on loan from Richard and Enika Schulze.

Deborah Mashburn, resident percussionist with Voices of Change since 1984, is Principal Timpanist of the Dallas Opera and Assistant Principal Timpanist/Percussionist of the Fort Worth Symphony. She studied at the Mozarteum in Salzburg, Austria, on a Rotary International Undergraduate Fellowship, a Fulbright Scholarship and two Austrian Government Grants and is a graduate of the University of North Texas School of Music with a Masters in Percussion Performance.

She toured throughout Europe as a member of the Glorieux Ensemble and performed frequently with the Mozarteum Orchestra, the Salzburg Academia Camerata Orchestra, the Bavarian Radio Orchestra, the Nuremberg Opera and the Munich State Opera.

Ms. Mashburn also toured North America, Europe and Singapore with the Dallas Symphony Orchestra and performed at music festivals in Mexico and South America. She was featured as soloist on the Cliburn Concert Series.

Ms. Mashburn is actively involved in introducing music and percussion to students of all ages in the Metroplex. She leads a percussion trio that has performed hundreds of educational concerts for thousands of students over three decades.

Ms. Mashburn has been featured on several Voices of Change recordings including Voces Americanas which was nominated in 1999 for a Grammy. In addition she has played on many recordings of the Dallas Symphony, Fort Worth Symphony and the Dallas Opera.

Virginia Dupuy has earned a reputation as one of the finest recital and concert singers in the United States. She has championed American music in recordings of the Grammy-nominated Voces Americanas, and she premiered the role of “Crone” in Conrad Susa’s opera Wise Women. Fanfare magazine hailed her recording of Dominick Argento’s Pulitzer Prize winner From the Diary of Virginia Woolf as one of the top classical recordings of the year. Ms. Dupuy made her Lincoln Center debut with the American Symphony Orchestra at Avery Fisher Hall and has appeared with the orchestras of Pittsburgh, Phoenix, Dallas, Houston, Fort Worth, Eugene and Honolulu. A professor of music at SMU’s Meadows School of the Arts, she is a leading scholar and interpreter of music set to Emily Dickinson’s texts. Gasparo Records, Inc. released Dwell in Possibility, a CD of 24 Dickinson poems and one letter performed by Ms. Dupuy with Shields-Collins Bray of Voices of Change, set to music by her esteemed friends including Jake Heggie, Lee Hoiby, Dan Welcher, Richard Hundley, Simon Sargon and William Jordan. Virginia Dupuy continued her performances of contemporary composers with Voices of Change and the Cliburn Modern Composers Concerts with the composers Golijov, Danielpour, Heggie, Higdon and Bolcom present. Also with Jake Heggie, she sang songs and duets, including texts of Sister Helen Prejean, at the Cliburn’s “Modern at the Modern” in Ft. Worth with pianist and producer Shields-Collins Bray. She continues to perform “Emily Dickinson in Song” throughout the country.

Her student Juan de Leon made his Metropolitan Opera debut in October 2013. She has students who have recently won the Regional Metropolitan Opera Auditions and have performed at Vienna Stattsoper, Baths of Caracalla, Chicago Lyric, Santa Fe Opera, Glimmerglass, Wolf Trap, Chautauqua, Des Moines, Opera North and Los Angeles Opera. She also is the liaison and founder of the Emerging Artist Program, a partnership for SMU graduate students and the Dallas Opera. In addition, she produces the summer course for singers at SMU-in-Taos.

Virginia Dupuy is in demand as a teacher of master classes throughout the US. Virginia Dupuy was named Distinguished Alumna at Southwestern University in 2001. In 2010, she produced a symposium prior to the opening of the opera “Moby Dick” by Jake Heggie at the Winspear Opera house in partnership with the Dallas Opera, Meadows School of the Arts, and the Texas Book Festival.

IN 2014, she performed with the Ft. Worth Symphony, Miguel Harth Bedoya, conducting and the Corpus Christi Symphony, John Giordano conducting. In addition, she premiered “Undelivered” by Gregory Sullivan Isaacs in May, the text of which was to have been delivered by JFK in Dallas. In addition she performed the premiere of “Tibet Fantasia” by celebrated composer Xi Wang in March 2015 with Voices of Change. She also performed Mark Adamo’s “Racer’s Widow” with Voices of Change in January and the Cliburn at the Modern in March 2015.

Liudmila Georgievskaya has performed as a recitalist in Russia, Italy, Uzbekistan, Ukraine, France, England, Hungary, Panama, and in the United States. She has appeared as soloist with the Dubna Symphony Orchestra (Russia), Turkeston Symphony Orchestra (Uzbekistan), National Symphony Orchestra of Uzbekistan, and with some American orchestras, including Meadows Symphony Orchestra, Irving Symphony Orchestra, and Concert Artists of Baltimore. Awarded with top prizes in more than ten national and international piano competitions all over the world, most recently she won the Liszt-Garrison International Piano Competition in Baltimore (MD).

An adherent of the Russian piano school, she studied in Moscow with Tatiana Galitskaya and Liudmila Roschina, both former students of the legendary Russian pianist and composer Samuil Feinberg. She graduated from the Moscow State Tchaikovsky Conservatory cum laude. Having earned her Artist Certificate at Southern Methodist University under the guidance of acclaimed Spanish pianist Joaquín Achúcarro, she is currently on faculty at SMU, where she teaches piano, chamber music, and techniques of instrumental accompanying. At the same time she is working towards her Doctorate in Piano Performance with Dr. Pamela Mia Paul at University of North Texas.

Her first solo CD with music by Beethoven and Schumann was released in 2013 for Odradek Records and was received enthusiastically by Ritmo, Herald Scotland, The Guardian, and other international press issues.

Percussionist Drew Lang performs regularly with the Dallas Opera Orchestra, Dallas Symphony Orchestra, Fort Worth Symphony Orchestra and many regional orchestras in the Dallas/Fort Worth Metroplex. He is also the principal mallet player with the Dallas Wind Symphony and percussionist for Casa Mañana Musicals. As a theater percussionist, he has also performed at the ATT Performing Arts Center (Anything Goes, Newsies, Motown Broadway Tours) and the Dallas Theater Center (world premier performance of FLY, Les Miz). In addition, he was principal percussionist at the Breckenridge Music Festival in Breckenridge, Colorado.

As a marimba specialist, has commissioned and premiered and recorded works for marimba in solo, chamber and concerto settings. His most recent project was an 11 university consortium commission of NAMASTE: Concerto for Marimba and Percussion Ensemble by G. Bradley Bodine. Drew appears throughout the United States as a soloist and in his duo with Flutist Helen Blackburn.

Drew is on the percussion faculties at Southern Methodist University and Eastfield College and is director of the “MARIMBA MADNESS” summer Junior High/High School percussion camp. He also plays in the rock band Scarlet Vermillion.