Serenata Rimpianto Op.6 No.1, by Enrico Toselli, Count of Montignoso (March 13, 1883 January 15, 1926).
For Classical Guitar solo (or acoustic Guitar with nylon strings, fingerstyle). 
With tablature. With simple downloadable mp3 just for audio help.

Early intermediate Guitar. Pages: 3 pages, 49bars, 2:50 min.