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2019 Shepherd Trombone Workshop Faculty and Artists

Featured guest artists:

David Humbertson
Shenandoah Conservatory Wind Ensemble, Shenandoah Conservatory Symphony Orchestra, freelance

David Humbertson was born in Bellingham, Massachusetts and raised in Cumberland, Maryland, where he attended Fort Hill High School. He graduated from Alderson Broaddus University with a Bachelor’s in Music Education, Music Performance, and Musical Arts. While at Alderson Broaddus he was a principal trombonist in the Symphonic Band as well as a member of the Alderson Broaddus Brass Choir and Brass Quintet. During this time, he also spent his summers playing baritone with the Blue Knights Drum and Bugle Corps in Denver, Colorado. David is now enrolled at Shenandoah Conservatory where he is finishing on his Master of Music Performance. He is the principal trombonist in the Shenandoah Conservatory Wind Ensemble and a member of the Shenandoah Conservatory Symphony Orchestra. He studies with Dr. Matt Niess and is a member of his trombone choir the Shenandoah Trombone Collective. David also teaches privately in the Winchester area and at the Western Maryland Music Center in Cumberland, MD. David recently performed as a soloist with the Shenandoah Trombone Collective at the American Trombone Workshop and the Collective’s performance on the Millennium Stage.

Nathaniel Lease
Hagerstown Community College, freelance

Nathaniel Lease is currently an Instructor of Music at Hagerstown Community College and Freelance Musician and Educator in the Greater DC Area. In addition to his duties at Hagerstown Community College, Nate also is an Instructor of Brass at the Cumberland Valley School of Music and for the North Hagerstown High School Hub Band. He has had the pleasure to perform with the Altoona Symphony, Johnstown Symphony, Loudoun Symphony, Hagerstown Municipal Band and Saturday Morning Brass.

Nate received his Master of Music Degree in Trombone Performance from the University of Delaware and his Bachelor of Arts degree in Music from Indiana University of Pennsylvania. His primary teachers include Dr. Bruce Tychinski, Dr. Christian Dickinson, Justin Moore, and Noel Kunkle.

Christopher Reaves
U.S. Marine Band, “The President’s Own”

Trombonist Staff Sergeant Christopher Reaves joined “The President’s Own” United States Marine Band in February 2013. Staff Sgt. Reaves began his musical instruction on piano at age nine and trombone at age 11. He graduated in 2003 from Widefield High School in Colorado Springs where he studied with Sandra Bell. He earned a bachelor’s degree in music from The Juilliard School in New York in 2007 where he studied with Joe Alessi, principal trombone with the New York Philharmonic. He also studied with Jan Kagarice in 2010 while pursuing an artist certificate at the University of North Texas in Denton.

Prior to joining the band, Staff Sgt. Reaves performed with the Harlem Symphony Orchestra and the Manhattan Symphonie, both in New York, and freelanced in Colorado Springs, New York, and in the Dallas/Fort Worth area.

Lars Peder B. Sørensen
Freelance, Brass Band Director

Lars Peder B. Sørensen (b.1987) is a Danish trombone player, conductor, and educator based in Aarhus. LP received both a Bachelor of Music and a Master of Music degree from the Royal Academy of Music in Aarhus, Denmark with the highest possible marks in both playing and pedagogy. He also spent a year at the Royal Conservatorium in Den Haag, Holland. He finished his Artist Diploma from the Danish National Academy of Music in 2017 with a 4-star review in the newspaper. His primary teachers include professor Niels-Ole Bo Johansen, Brandt Attema, and Jesper Busk Sørensen.

Sørensen began performing in the local Symphony Orchestra during his first year at conservatory and has since become a highly sought-after freelancer, having played with almost all professional orchestras, military bands, and ensembles in Denmark. He frequently performs on both tenor and bass trombone as well as baritone, euphonium, contrabass trombone, and occasionally tuba. He is well versed in many different settings and musical styles, which can be heard on several recordings such as with the Aarhus Symphony Orchestra and the Norwegian jazz singer Live Foyn Friis. He also performs with big bands, pit orchestras, and gives solo recitals and chamber concerts.

Sørensen also maintains a busy schedule as a conductor. During his Masters program, he double-majored in conducting and trombone performance. He has experience conducting various ensembles, including small brass ensembles, Wind Band, and Symphony Orchestra. In addition, he currently serves as the musical director of three regional brass bands. With a passion for education, Sørensen teaches all levels of brass players from young beginners to senior citizens. In 2018, he experienced the joy of witnessing one of his first students beginning her Bachelor of Music program at the conservatory he attended. LP also taught outside of Denmark and has given masterclasses and and recitals for many ensembles, such as the trombone class of the Artic University of Norway in Tromsø. Due to his love of teaching and community, Sørensen recently formed his own ensemble. The Danish Youth Trombones is for young trombonists ages 13-21 who meet several times a year to dive into the wonderful world of music and trombone together.

Kirsten Warfield
US Army Band, Great Noise Ensemble

Kirsten Lies-Warfield hails from Fargo, North Dakota. She did her undergraduate work at Lawrence University in Appleton, Wisconsin. She holds a Master of Music degree in trombone performance from Indiana University where she was a student of M. Dee Stewart. Subsequent doctoral studies in brass pedagogy at IU were suspended when she was offered a position in the U.S. Army Band “Pershing’s Own.” She joined the group in April, 1999, becoming the first woman trombonist in the unit’s history. Her freelance work in Washington, D.C. is wide-ranging from wedding bands to salsa bands, jazz bands to chamber orchestras. Currently, she holds positions in the Arlington Philharmonic, Great Noise contemporary music ensemble and Black Masala ethno-funk band. She is an instructor of trombone for Episcopal High School and Full Blown Trombone LLC. As an artist, Kirsten strives to create music that is highly personal and connects to her audience with simple sincerity. In forging her own path of composition, she has found her own unique voice and she enjoys sharing it with audiences across the country in solo recitals.


Angela Guido Johnson
Full Blown Trombone studio, freelance

Angela Johnson is the founder of Full-Blown Trombone LLC and a trombonist/music educator based in Upper Marlboro, Maryland. She performs regularly with The Summer Club Big Band around Pennsylvania and New Jersey. Angela Johnson received a Bachelor of Music in Trombone Performance from Temple University’s Boyer College of Music in Philadelphia under the instruction of Matthew Vaughn. Additional teachers include Richard Linn and Paul Bryan.

Johnson has been featured as a soloist with the Ocean City Pops Orchestra and Jersey Shore Pops Orchestra. She has performed with the Capital Wind Symphony, Bayside Brass Quintet, Monumental Brass Quintet, Category 5 Wind Ensemble, Prince George Philharmonic, and DC Strings. As a showband musician, she has entertained audiences aboard Carnival Cruise ships and at Busch Gardens Entertainment venues.

A highly sought-after teacher of trombone and euphonium, Angela manages a private studio and conducts low brass sectionals and masterclasses for area schools and youth orchestras. Her private students have won concerto competitions and seats in youth orchestras and regional honors bands. She has also taught as the substitute instructor of low brass and chamber music at the Peabody Preparatory of Johns Hopkins University.

Fred J. Gleason
Ret. US Army Band, Barbara Ingram School

Brass instructor Fred Gleason completed a 33 year career as a trombonist in the United States Army Band, Washington, D.C. in July 2009. Fred played for seven U.S. Presidents in his tenure and finished in the position of the band’s trombone section leader. Both during and after his military days Fred has free-lanced in many orchestras in the Mid-Atlantic Region. These have included the Maryland Symphony, the National Gallery Orchestra, and the Washington Concert Opera. Fred has taught at Barbara Ingram since the Fall of 2010.

James A Martin

James Aaron Martin is an orchestral and solo trombonist based in the Washington D.C. metropolitan region. He received Master of Music and Pedagogy from the Royal Conservatory of Music in Aarhus, Denmark and his Bachelor’s degree in Music Performance from the Shenandoah Conservatory. During his studies, Martin has been a frequent recitalist of 20th century music and has given performances of solo repertoire for trombone and organ in several countries. Martin was honored to work alongside former Berlin Philharmonic bass trombonist, Stefan Schulz, in the premiere of Poul Ruder’s Concertino at the 2009 International Trombone Festival in Aarhus

Martin has joined an impressive list of orchestras and chamber ensembles in Europe and North America. Some of the most notable include The Esbjerg Ensemble, Aarhus Symphony Orchestra, Aalborg Symphony Orchestra, Aarhus Sinfonietta, Maryland Symphony Orchestra, Harrisburg Symphony Orchestra, The World Orchestra, South Florida Symphony, and debut performances of Daniel Schnyder’s Trombone Quartet in Sweden, Denmark, Germany, and The Netherlands. In addition to teaching at Shepherd University, Martin currently holds position of principal trombone with The American Pops Orchestra.

Frank Gulino
Composer in Residence

Frank Gulino, a native of New York City, now resides in the Washington, D.C., metropolitan area, where he maintains an active schedule as a composer and bass trombonist. Frank holds a Bachelor of Music degree in Bass Trombone Performance from The Peabody Conservatory of Johns Hopkins University, where he studied with Randy Campora, Jim Olin, and David Fedderly, all of the Baltimore Symphony Orchestra. Frank has also studied with Vincent Belford of the New Jersey Symphony Orchestra and jazz artist Bob Ferrel.

As a trombonist, Frank has appeared at Carnegie Hall, the Music Center at Strathmore, the New Jersey Performing Arts Center (NJPAC), and the Joseph Meyerhoff Symphony Hall, home of the Baltimore Symphony Orchestra. He has also served on the faculties of both the DC Trombone Workshop and the Shepherd Trombone Workshop. Frank is an artist/clinician for the Edwards Instrument Company and performs on Edwards trombones and Griego mouthpieces.

As a leading composer of contemporary brass music, Frank has had works commissioned, performed, and recorded by some of the world’s foremost brass players, including international euphonium virtuoso Steven Mead, St. Louis Symphony Orchestra bass trombonist Gerry Pagano, Atlanta Symphony Orchestra bass trombonist Brian Hecht, National Symphony Orchestra principal trombonist Craig Mulcahy, Boston Symphony Orchestra principal tubist Mike Roylance, and Christopher Dudley, solo trombonist of the Bergen Filharmoniske Orkester in Bergen, Norway. Frank’s works have been performed at the John F. Kennedy Center for the Performing Arts and the United States Capitol in Washington, D.C., as well as at venues in Argentina, Estonia, Italy, Latvia, Mexico, Panama, Portugal, Singapore, South Korea, Spain, Taiwan, the United Kingdom, and Uruguay. Additionally, Frank’s music has been performed at dozens of colleges, universities, and conservatories, both domestically and abroad, and remains exceedingly popular among performers and audiences alike. Frank is a member of the American Society of Composers, Authors and Publishers (ASCAP) and is a four-time ASCAP Plus Award winner.

Frank’s works, published by The FJH Music Company, Cimarron Music Press, Woodson Publishing, and 200 Miles to Arnstadt Publications, are available from major music distributors all over the world, including J.W. Pepper, Hickey’s Music Center, SheetMusicPlus, and many others. Additionally, Frank’s work has appeared on both the Maryland Music Educators Association (MMEA) and the New York State School Music Association (NYSSMA) repertoire lists and has also appeared on the required repertoire lists for the ITA George Roberts Bass Trombone Competition, ITEC Solo Tuba Competition, the IWBC Susan Slaughter Solo Competition, and the Leonard Falcone International Euphonium and Tuba Competitions.