The perfect team — experienced writers for some of the best drum corps corps and marching bands in the country, music educators, and adjudicators. We design, write, teach and judge shows for a living, giving you the best, most well-rounded product possible for your band.

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Nathan Langford, Percussion and Audio Engineer

Nathan Langford lives in Los Angeles as a professional audio engineer, producer and composer.  Working with major clients ranging in all genres, from pop to electronic to TV/Film.  He also is a go-to for voice over recording, working with Grammy award winning voice actors and directors.

Nathan has 10 years experience composing for high school percussion.  In both the outdoor and indoor circuits he is known for energetic and achievable percussion books.  Taking from his experience in Los Angeles he brings a unique, cutting edge “Hollywood” sound to his arrangements and electronics sound design.

Nathan’s ear for electronics on the marching field and vast knowledge of synthesizer and sampling technology has allowed him to bring numerous high schools to the next level with the usage of electronics.

In 2010 Nathan was on percussion staff with The Cavaliers Drum and Bugle Corps, working with Michael McIntosh and Brian Tinkel; he also assisted with electronics/sound design. In 2011 he was a sound design consultant.

From 2007-2009 Nathan served as the Electronics/Sound Design Consultant for the Bluecoats Drum and Bugle Corps. Working under Tom Rarick (2007-08) and Mike Jackson (2009). 

In 2014 Nathan started working with Ian Grom of Box Six, and Chino Hills High School as a sampling/sound design consultant. From 2008-2013 Nathan was electronics/sound design consultant and later percussion staff for Gateway Indoor.

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Eric Kruse, Audio Engineer

Eric Kruse is a professional percussion educator, composer and audio engineer. For the past 15 years, he has composed and arranged for percussion and electronics. Eric has always been drawn to the harmony of natural and synthetic sounds, and with his curiosity and creativity, he builds unique soundscapes that leave audiences captivated.

Eric currently serves as the Director and Program Coordinator for Black Diamond Percussion, Director of Drumline Activities for Colorado State University Pueblo and works with many local and national high school teams.

When Eric isn’t working with music, he is out enjoying the nature and beauty Colorado has to offer as an avid hiker and skier.

Eric is a Remo artist, and proud endorser of Vic Firth sticks & mallets, Zildjian cymbals, Tama drums, and Winter Guard Tarps.

Rob Stein

Trent Gronewold, Audio Engineer

Trent is an arranger, instructor, orchestrator, and sound designer from Southern California. In the Fall of 2015, he was brought on staff at Los Alamitos High School and Pacifica High School. He taught the front ensemble, and gave private lessons until accepting two new positions at Gahr and La Quinta High School for the following year. During his first year at Gahr, the ensemble made SCPA finals for the first time in school history. In his first year at La Quinta High School, the group also made SCPA finals for the first time in school history, capturing a Silver Medal in Open Class. In 2018, Trent started La Quinta’s first ever concert percussion ensemble, which won the SCPA Percussion Scholastic Concert Open Gold Medal (PSCO) in it’s first year of competition. This motivated the push to start in World Class for the 2019 season. That same year, La Quinta won the SCPA Open Class Gold Medal (PSO).

In 2016, Trent was hired at Box Six where he still works behind the scenes as an Orchestrator and Operations Assistant. He has composed/arranged music for many groups including Chaparral HS, California HS, Clovis East HS, El Modena HS, Gahr HS, Lincoln HS, Rancho Verde HS, La Quinta HS, and Pearl River City College.

His marching experience includes the Blue Stars Drum & Bugle corps (2015 and 2016), Pulse Percussion (2016, 2017, 2018, and 2019), and the Santa Clara Vanguard in 2018. During this time, he has won a WGI Championship, a DCI Championship, and a Fred Sanford High Percussion Award. Trent is a member of the Vic Firth and Zildjian Educational team and currently attends Cypress College. He lives in Los Alamitos, California.

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Tim Mitchell - Audio Engineer

Specializing in Sound Design for the marching arts, Tim brings a wealth of experience from many genres of storytelling to create powerful, dynamic, and engaging productions.

Tim began working in radio broadcasting at KCWU-FM, where he produced nationally-awarded promos and podcasts recognized by College Broadcasters Incorporated and the Intercollegiate Broadcasting System. Tim is professionally certified by the Radio Advertising Bureau and the Hubbard Radio Talent Institute.

Fusing radio production techniques with theatrical sound composition, Tim has produced sound design for numerous marching band, winter percussion, and drum corps shows. Well-versed in the marching arts as a performer and educator, he studied Music at Central Washington University and performed with the Oregon Crusaders Drum & Bugle Corps and indoor percussion.

Valuing both the fine details and the big picture, Tim has worked in electronics design and management with top ensembles in the Pacific Northwest, including Columbians Drum & Bugle Corps (DCI Open), Eruption Indoor Percussion (WGI PIA), IMPACT Percussion (WGI PIO), OC Indoor (WGI PIW), Oregon Crusaders Drum & Bugle Corps (DCI World), and Seattle Cascades Drum & Bugle Corps (DCI World).

Now a freelancer in the Media industry, Tim interned as an Audio Engineer at REX Production & Post in Portland, OR, where he worked on recording broadcasts for symphony orchestra, sound design for film, and audio post-production for commercials and corporate projects. His most recentl work includes the production of Discovery Channel’s “Amanda to the Rescue” TV series on the Animal Planet. He has also assisted in script editing, video editing, field audio, and production for several feature-length documentary films.