Is it a samba? Probably. It also depends on how broadly you define a samba. Percussion comes in heavy later in the piece with a pile of street drummers for a thicker feel. I’m having a hard time describing the exact groove of this piece. “Slightly whiter than average samba”?
You can download the full uncompressed version of this piece here!
Lord of Shadows
Here’s an exotic-sounding high-energy piece piece from the Sleep Facing West blog. See that site for attribution details. This is also free to use!