Service Request / Estimate

Woodwinds: Usually on the back of the instrument, along a seam/joint/socket, or on a rib under a post. Flutes and piccolos may have it on the front of the barrel. 

Brass: Usually on the middle valve casing, or near the mouthpiece receiver. If there are rotary valves, it may be near the key area. 

Percussion: Usually printed or engraved on a plaque or label on the side of the instrument. Bells may have it on the bottom on the inside edge of the frame. 

Strings: On a label inside the instrument.