Emilio Pujol Vilarrubi (1886 - 1980) was a notable Spanish classical guitarist, composer and musicologist. He was a pupil of Francisco Tarrega, the foremost theorist of the classical guitar.
The first volume of 'Escuela Razonada de la Guitarra' is a work based on the technical principles of Tarrega, being 'the result of numerous music courses taught in Spain, France, Italy, England, and Portugal' as the author himself refers.
This book introduces the basics on theory, important to everyone correct practice, and offers a general approach to guitar features so that to guide those who got a special feeling for this instrument, even when not really knowing it.