Materials Needed: 1) Cleaning cloth or towel 2) Valve oil Lay out a towel on a flat surface. Place the instrument on the towel with the bell side on the bottom. The second valve slide should be facing up. Oil one valve at a time. When oiling the valves, remember the bottom section of the... The post How to Oil the Valves on a Trumpet, Baritone, or Tuba appeared first on Hillje Music Centers.