Meet the Ensemble

Benjamin Hay is a trumpeter and educator based in Northeastern Oklahoma. Benjamin holds degrees from Oklahoma State University (B.M. Performance), the University of New Mexico (M.M. Performance), and the University of Oklahoma (D.M.A Performance). In the fall of 2017, Dr. Hay joined the faculty of Northeastern State University in Tahlequah, OK as Assistant Professor of Music (Trumpet/Theory). Prior to his appointment at NSU, Dr. Hay served as Adjunct Instructor of Music at Tulsa Community College, where he taught applied trumpet, applied horn, music theory, jazz improvisation, jazz combo, and chamber brass.

Benjamin is a member of Tulsa’s Signature Symphony, Bartlesville Symphony, and frequently performs with the Symphony of Northwest Arkansas and the Tulsa Symphony Orchestra. Additional performances include appearances with Tulsa Opera, Tulsa Ballet, Tulsa Oratorio Chorus, Frontier Brass Band of Oklahoma, Arkansas Musicworks Brass Band, and the New Mexico Symphony Orchestra, to name a few. A frequent recitalist, Dr. Hay has performed guest solo recitals in Oklahoma, New Mexico, Kansas, Arkansas, Texas, and Illinois. In 2018, Dr. Hay performed at the International Trumpet Guild Regional Conference in Oklahoma City, as well as at the ITG Conference in San Antonio, TX. Benjamin has performed as a soloist with the Signature Symphony, the Symphony of Northwest Arkansas, Tulsa’s Starlight Band, as well as numerous high school and college ensembles. An avid chamber musician, he has performed with Tulsa Camerata, the faculty brass quintets of the University of New Mexico and Northeastern State University, and the brass quintets of Signature Symphony, Symphony of Northwest Arkansas and Tulsa Symphony. Dr. Hay has had the privilege of sharing the stage with a wide range of the world’s top performers such as JoAnn Falletta, Benjamin Zander, Eric Whitacre, Michael Daugherty, Walter White, Wayne Bergeron, the Four Tops, the Irish Tenors, Bernadette Peters, and Johnny Mathis. 

Benjamin’s primary trumpet teachers have been Andrew Cheetham, Jacob Walburn, Thomas Booth, John Marchiando, and Karl Sievers. Additionally, Benjamin has studied composition and arranging with Marvin Lamb, and horn performance with Eldon Matlick.  Dr. Hay serves as a music reviewer and conference reporter for the ITG Journal, and is a member of the International Trumpet Guild, Phi Kappa Phi Honor Society, and the American Federation of Musicians (Local 94). Benjamin Hay is a Conn-Selmer/Vincent Bach endorsing artist.

Ben Korzelius is a freelance musician and private horn instructor in Tulsa, OK. He has held positions with the Oklahoma City Philharmonic and the Symphony of Northwest Arkansas. Ben has performed in concerts with the Tulsa Symphony Orchestra, Signature Symphony, Memphis Symphony, and Tulsa Opera, and Arkansas Philharmonic. He received his Bachelor's Degree In Music Performance from Oklahoma State University where he was honored as the Presser Scholar. His horn studio regularly earns favorable placements in district and state honor band & orchestra auditions.


Dr. Jason Hausback serves as the Associate Professor of Trombone at Missouri State University.  In addition to maintaining the trombone studio, he directs the Jazz Studies Ensemble II.  Prior to his arrival at MSU, Jason was active as a teacher and a performer in the Dallas/Ft. Worth area, teaching low brass at Eastfield College (Mesquite, TX), and Brookhaven College (Farmer’s Branch, TX).  While at North Texas he was both a classical and jazz Teaching Fellow and directed the U-Tubes, who won the 2010 Eastern Trombone Workshop National Jazz Trombone Ensemble Competition.  He also issued their first CD entitled “The U-Tubes” in the spring of 2011.  Additionally, Jason was a member of the internationally-acclaimed One O’Clock Lab Band and was on the recording “Lab 2009,” which was nominated for two Grammy awards.

In 2008, Jason was the winner of the Eastern Trombone Workshop National Classical Bass Trombone Solo Competition, as well as the ITA Kai Winding Jazz Trombone Ensemble Competition.  His trombone quartet “Bell Street Four” also won the 2008 ITA Quartet competition.  Additionally, he enjoys travel and has had the opportunity to perform across the United States, as well as in Canada, Bolivia, Peru, Colombia, Spain, Austria, Germany, Italy, Switzerland, France, the Netherlands, England, Finland and Thailand.

Jason is active as a freelancer throughout the mid-south region of the US and performs regularly with The Lone Star Wind Orchestra (TX), Symphony of Northwest Arkansas (AR), The Springfield Regional Opera (MO), and Fountain City Brass Band (KS).  He has performed solo and quartet recitals at universities and conferences throughout the US as well as in Colombia and Spain.  He has also performed in the Southeast Trombone Symposium Professors Choir and in featured ensembles at several different International Trombone Festivals.

Jason also has an interest in early music and enjoys this diverse and challenging repertoire.  He plays the tenor and bass sackbuts and performed at the 2007 Boston Early Music Festival and at the 2008 Misiones de Chiquitos Baroque Music Festival in Bolivia.  His DMA dissertation was on the sonatas of Dario Castello, a seventeenth-century Italian composer who wrote extensively for the sackbut.

Jason has served on the staff of many prominent high school marching bands in Texas, including Marcus HS (2007-2015), Texas 5A/6A State champions five consecutive times.  He has worked with several drum and bugle corps, including Capital Sound, the Madison Scouts, Spirit of Atlanta, the Boston Crusaders, and Phantom Regiment.  Jason has also been active as an adjudicator for marching band, solo/ensemble and jazz competitions.  Most notably, he had the honor of judging the 2015 ITA Carl Fontana Jazz Trombone Competition (Valencia, Spain) as well as the 2019 ITA Kai Winding Jazz Trombone Ensemble and Gilberto Gagliardi Tenor Trombone competitions (Muncie, IN).

Jason holds the BM in Trombone Performance degree from the University of Wisconsin: Madison, and the MM and DMA degrees in Trombone Performance from the University of North Texas.  His primary teachers include Rose Lewis, Dr. William Richardson, Dr. Vern Kagarice, Jan Kagarice, and Tony Baker.  Jason is a S.E. Shires Performing Artist.

Trombonist Isaac Washam is from Stillwater, Ok. Isaac earned his Bachelor’s degree in music performance from Oklahoma State University and his Master’s degree from the University of North Texas. Isaac played lead trombone in the world famous UNT One O’clock Lab Band under the direction of Steve Wiest and can be heard on the album “Lab 2013”. Isaac’s former teachers include Paul Compton, Vern Kagarice, Tony Baker, and Phillip Graham. 

Isaac has a compelling record of success in solo and chamber music competitions.  Isaac won the Eastern Music Festival Concerto Competition, Quartz Mountain Music Festival Concerto Competition and the Oklahoma State University Concerto Competition.  Isaac also won the International Trombone Association Gilberto Gagliardi Solo Competition, Down Beat Student Music Award for Best Collegiate Classical Soloist, Glenn Miller Birthplace Society Instrumental Solo Competition and Yamaha/Zeno Tenor Trombone Solo Competition.  He has also been a prizewinner or finalist in the Chamber Music Tulsa Robert Heckman Memorial Instrumental Solo Competition, The Crescendo Music Awards Solo Competition and Eastern Trombone Workshop Solo Competition.  As a chamber musician, Isaac has won the Eastern Trombone Workshop Trombone Quartet Competition, International Trombone Association Trombone Quartet Competition, Courtois/Fort Worth Trombone Summit Trombone Quartet Competition, Emory Remington Trombone Ensemble Competition, and twice the Down Beat Student Music Award for Best Collegiate Classical Ensemble. 

After teaching and freelancing in Dallas/Ft Worth for the past ten years, Isaac now resides in Claremore, Ok. He is married and has two cats Ron and Kitty. When not working or practicing, Isaac enjoys Pokémon, playing foosball, and jogging.