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IMC Repair Technicians

Randy Derge: Senior Repair Technician

Randy has been repairing instruments for more than 40 years. Over that span of time, he has experienced and corrected just about every repair situation imaginable. He is well connected to the band instrument repair world and an active member of NAPBIRT (National Association for Band Instrument Repair Technicians). He enjoys working on all instruments, from entry-level maintenance work to professional “tweaks,” modifications, tone-hole leveling, key-fitting and pad work. Rebuilding saxophones is his strength and passion. Feel free to call Randy during normal business hours. He will be more than happy to discuss, in person or over the phone, any questions or ideas you may have with your personal instrument.


Brad Exworthy: Repair Technician

Brad has been working for Instrumental Music Company for over 4 years repairing instruments.  He is a 2017 and 2018 graduate of Minnesota State College: Southwest in Band Instrument Repair and Guitar Building and Repair.  Brad specializes in guitar and will answer any questions you have regarding the instrument!


  • Monday-Thursday: 10am-7pm
  • Friday: 10am-6pm
  • Saturday: 10am-1pm
  • Sunday: Closed*