The Scale
The Barré
The Arpeggio
The Tremolo
http://composers-classical-music.com/l/LesterBryan.htm
https://musicalics.com/en/node/80182
https://www.musicshopeurope.com/all/contributor_composer_notation_1=lester,%20bryan/
https://www.stretta-music.com/es/lester-essential-guitar-skill-the-scale-nr-408896.html
