Played here by the composer. The YouTube text says:

The sixth and last movement of Mark Delpriora’s Sonata No.3 performed by the composer in New York on April 4th 2013. The work is published by Berben Edizioni Musicali and is dedicated to the great Italian maestro, Angelo Gilardino.

From Wikipedia:

Mark Delpriora (born 1959) is an American classical guitarist and composer.

Delpriora is Co-Chair of the Guitar Department at the Manhattan School of Music, where he has been on the faculty since 1989. Beginning in 2007, Mark will also be on the faculty of The Juilliard School, where he will teach guitar studies. He studied guitar with Rolando Valdes-Blain and later with Manuel Barrueco. He studied theory/composition in his early teens with Roland Trogan and later with Giampaolo Bracali. Mr. Delpriora has recorded for Koch International Classics, Soundspells, Philips, Tzadik, and CRI. In addition, he has recorded 6 CDs with flutist Laurel Zucker on Cantilena Records.