Brian Gibson's Gunpowder Guitar Repair in Fallston, MD serves Baltimore & Harford Counties. Brian Gibson specializes in repair & build of stringed instruments. Since 1999 Brian has been repairing & building stringed instruments! Our Hours of Operation are: Mon 11:00 AM-07:00 PM, Tue 11:00 AM-07:00 PM, Wed 11:00 AM-07:00 PM, Thu 11:00 AM-07:00 PM, Fri 11:00 AM-07:00 PM, Sat 12:00 PM-05:00 PM We...