Conversation so far:
What type of guitars did Fred Frith play?
Fred Frith has used a Gibson ES-345, an old 1961 solid body Burns, a modified 1936 Gibson K-11, and a homemade six- and eight-string double-neck guitar.
Was there anything interesting about Fred Frith's playing technique?
In a typical solo improvising concert, Fred Frith would lay a couple of his homemade guitars flat on a table and play them with a collection of found objects.

Question: Has he influenced anyone to use these techniques?
Self-contained rewrite: Has Fred Frith influenced anyone to use his technique of laying guitars flat and using different objects to play them?