GIULIANI, Mauro Op. 050 La Mariposa - Le Papillon - 1815
https://www.mutopiaproject.org/ftp/GiulianiM/O50/giuliani-op50n03/giuliani-op50n03-a4.pdf
https://drive.google.com/file/d/1xAPbsRodEbWfGdsfPs_cd99UROdssgUb/view
https://www.thisisclassicalguitar.com/allegretto-no3-op50-mauro-giuliani/