Abstract: A mobile band instrument repair shop is disclosed which includes a movable trailer with a structure having four interior walls and a door, each wall being arranged and specially equipped to perform different tasks in repairing all band instruments. The first wall is a customer service and instrument receiving area. The second wall is a brass department. The third wall is a woodwind department, and the fourth wall is a storage area. The brass department includes two different work stations. The first work station includes a foldable table for supporting a variety of different shaped instruments. A plurality of holes in the table receive posts in various configurations to accommodate the different instruments. The second station includes a plurality of different shaped and sized mandrels, and a mandrel holding fixture to hold various instruments during dent removal operations. Bannister rods, removably mounted to the floor, are also included at the second station for holding instruments awaiting repair.