No Samba collaborations title or description seem to match "Akustik_Guitar"
but you should also mind we don't do collaborations on copyrighted tracks here on wikiloops.
So, try again, or start defining your idea of a good track by setting some category filters.
Alternative Samba tracks
"I think that Wikiloops is the dream that every musician had ever... to share ideas and projects, even is a form of collective learning, fusion of styles, good atmosphere among friends, always with respect..."