Instruments should be tagged in a manner that produces results on all three lists. Sometimes these tags overlap. Instruments should be tagged based off mechanical function, common name function, and the general classes they fit into. More tags are better then too few.
Woodwind, Brass, Horn, Percussion, Reed
Idiophone, Membranophone, Chordophone, Aerophone, Lamellophone
Struck, Blown, Free Bar, Lamell Reed,