 This publication examined the relationship between the guitar and vihuela, and also differentiated between four- and five-course guitars.The five-course guitar did not phase out the four-course instrument until the Baroque period.One of the first major methods published for five-course guitar is Joan Carles Amat's Guitarra Española y Vandola en Dos Maneras de Guitarra, Castellana y Cathalana de Cinco Ordenes, published in 1596.