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

Andrew Zweibel, Business Manager

Andrew Zweibel is a musician, educator, and performing arts administrator based in suburban Chicago. During the day, he currently serves as the Scheduling & Facilities Coordinator for Roosevelt University’s Music Conservatory, a part of the Chicago College of Performing Arts. He is also pursuing a MA in Performing Arts Administration through RU and CCPA. Andrew comes to Roosevelt after a successful 6-plus years leading high school band programs in South Florida (South Dade Senior HS) and Suburban Chicago (Glenbrook North HS). Andrew’s bands were consistently and widely regarded as outstanding and frequently earned local and statewide recognition for their successes.

While never having marched drum corps himself, Andrew’s marching arts experience is based in the new WGI Winds activity. Andrew currently serves as the Ensemble Director for Chromium Winds, the WGI Winds ensemble presented by The Cavaliers Drum & Bugle Corps. Under Andrew’s leadership, Chromium has won back-to-back WGI Independent Open Winds World Championships (2018 and 2017). Prior to Chromium, Andrew spent two seasons with FIU Indoor Winds in Miami, FL, winning one gold medal as a performer and soloist (2015) and a second as a director (2016).

Andrew currently lives with his wonderful girlfriend Jordan (who is also Chromium’s choreographer and a member of the Cavaliers visual staff herself!) and their puppy Oliver. He spends most of his free time convincing Oliver to not eat every pair of shoes in the house.

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Bill Castillo, Engraving and SmartMusic Wizard

Bill Castillo is a percussion instructor and composer from St. Louis, Missouri. Most recently, Bill was a member of the percussion staff for Rockwood Summit High School Marching Band. Bill was the Program Coordinator and an arranger for South County United Percussion based out of St. Louis. Bill has also written for and taught the Northwest High School percussion program. Before Northwest High School, Bill was the coordinator for the Belleville East High School percussion program. His drumlines and percussion ensembles have won numerous awards across the country. He has held similar positions at Wentzville High School and Belleville West High School. Bill is also an in demand arranger for numerous high school programs across the country. 

Bill is an in demand judge for marching contests in the fall and winter seasons.

Bill has taught camps at Truman State University. He has performed with various ensembles in the St. Louis area and given percussion clinics across the country. 

Bill is owner of Messy Desk Music, a company that specializes in music writing, engraving and recording. He has worked with Key Poulan Music, JKS Music, Standing ‘O’ Marching, Luke McMillan Music, Lorenz Music and Tapspace Publications among other companies. He has presented clinics on Virtual Drumline, Sibelius and Finale software across the country.

Bill is a member of Phi Mu Alpha Sinfonia, a professional music fraternity for men. He is also a proud endorser of Innovative Percussion Sticks and Mallets, Pearl Drums and Adams Keyboards, and Remo Drumheads.

Bill is married to his wife Lori and they have three boys together.