Lección No.5 by Julio Sagreras (1879–1942) for Classical Guitar. From his 2nd method Las Segundas Lecciones de Guitarra. PDF sheet music or tab for Classical Guitar. Left hand fingering. Early-Intermediate (Grade 4). PDF download.
Free PDF Sheet Music – Comes with both a notation-only and tab edition.
This is a great little work around the grade 4 level in E minor. This is an excellent study of bass line melody with the thumb. Think in terms of creating a cello-like legato melody on the bass strings. Use guide fingers at first but then carefully ease off to reduce string noise. Julio Salvador Sagreras (22 November 1879 – 20 July 1942) was an Argentine guitarist, pedagogue, and composer. His many lessons are contained in a multi-volume method book that includes numerous studies. Here’s my Youtube Lesson Link if you want to watch it there.