4. The ubiquitous guitar - sorry, but it has to be said the guitar is not a trad instrument, it was the 19th century equivalent of the pukelele, easily accessible. Just because it was crossed over from C&W in the 1960s with the American school doesn't make it right, it pushes the sound in a "wrong" direction. Have some, fine, but not the whole ruddy time.

You seem to be confusing traditional music with historical music.