The Baroque guitar is a string instrument with five courses of gut strings and moveable gut frets. The first course sometimes used only a single string.
Baroque guitar built by Matteo Sellas, c. 1630–50
The guitar player (c. 1672), by Johannes Vermeer
Double guitar (1690) by Alexandre Voboam, 1690 (exhibited at Kunsthistorisches Museum)
Catgut is a type of cord that is prepared from the natural fiber found in the walls of animal intestines. Catgut makers usually use sheep or goat intestines, but occasionally use the intestines of cat
Baroque guitar
…The Baroque guitar (c. 1600–1750) is a string instrument with five courses of gut strings and moveable gut frets. The first (highest pitched) course sometimes used only a single string. The earliest attestation of a five-stringed guitar comes…
A coil of catgut cello string