During this period he was involved in giving master classes (in 1953 he was personally invited by Andrés Segovia to give classes at the Accademia Musicale Chigiana) and adjudicating at guitar competitions. Also at this time, Pujol's first wife Matilde Cuervas died (1956). Seven years later he married Maria Adelaide Robert, a noted Portuguese pianist and singer who greatly assisted him in his final years. Beginning in the summer of 1965, Pujol launched his International Courses of Guitar, Lute and Vihuela in the city of Lleida, Spain. This event became quite popular and was attended by students and teachers from throughout the world. It was repeated every summer over a ten-year period, and in 1969 it was moved to the thirteenth-century village of Cervera. His words on Tárrega's School of Guitar are also applicable to his own spirit, which constantly strived to "resolving in advance all the problems, which can arise out of the diverse elements which contribute to the performance of a work: instrument, hands and spirit." 124 original compositions (Joan Riera) Escuela Razonada de la Guitarra Vol I-IV    275 transcriptions (Juan Riera)  Francis Poulenc (1899–1963). Waltzes, arr from the piano Paris : Editions M. Eschig, c1970. A guitar method based on the principles of Francisco Tarrega consisting of four historical and technical volumes: