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.


 Rob Stein

Trent Gronewold, Audio Engineer

Trent is a full time teacher and composer/arranger based out of Southern California. He currently teaches at La Quinta HS (Westminster CA) and Gahr HS (Cerritos, CA). He is also the front ensemble arranger/show designer for several groups throughout the country for both fall marching band and indoor drumline. On top of his writing and teaching, Trent is now doing sound design for Lincoln High School in South Dakota. As an orchestrator, Trent is involved with over 10 ensembles per season who compete nationally in BOA, WBA, SCPA, WGI and DCI.

His marching experience includes the Blue Stars Drum & Bugle corps (2015 and 2016), Pulse Percussion (2016, 2017 and 2018) and the Santa Clara Vanguard for the summer of 2018. Trent is a member of the Vic Firth and Zildjian Educational team. 


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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.