Goran Krivokapić plays Plainte (Lamento) by Brazilian guitarist and composer Marco Pereira (b.1950). This comes via one of my favourite sources: Siccas Guitars and their great YouTube channel and played on a 2003 Daniel Friederich guitar. I always love posting Krivokapić as his playing is musical but sensible and solid. I don’t know much about Marco Pereira but he has a lot of music ranging from solo works, duos, to concertos.
You can get this piece via Amazon or his other little set of Brazilian works via Sheet Music Plus.