1. overall cleaning (clean off stains inside/outside)
2. repair the exterior, polish up
3. rub rust off tuning pins
4. rub rust off metal parts(pedal,hinge,name plate)
5. change the parts of faded white key front
6. change the damaged white top key
7. change the worn-down flange cord
8. change the worn-down of faded weaksound muffler
9. polish up the string
10. change the worn-down bridle straps