You can use Mister Glue in the manufacture of a musical instrument such as a guitar. This glue is an industrial cyanoacrylate and it will glue almost any material together including metal to wood, wood to plastic as well as rubber to itself and other materials. Mister Glue dries clear, flexible and is waterproof.
Use for anything from gluing a plastic fret into wood to a rubber stop to metal.
Check out this section and others for hundreds of possible uses. You can use for homemade instruments or a manufactured musical intrument.