Prince Rogers Nelson’s last guitar was made by Simon Farmer, 47, of Heathfield, East Sussex, England. Farmer, nicknamed “Gus,” established his guitar business, Gus Guitars, in 1994. Farmer ...

There is his Steve Ripley stereo guitar (and the accompanying rack module that was the brains of the operation) and his custom-built PRS that took inspiration from the design of a mandolin.