Top 5 Folky Covers of Rap & Hip-Hop Songs

It's officially a trend: acoustic, folk, and bluegrass bands can't stop covering rap and hip-hop songs. Here are five of the best examples making the rounds on YouTube.
1. "Hey Ya"
Mat Weddle of Obadiah Parker beautifully, soulfully covers Outkast's "Hey Ya":
After the jump, check out "Baby Got Back," "Straight Outta Compton," "Bust a Move," "Gin and Juice," and a special bonus track!
2. "Baby Got Back"
Jonathan Coulton covers Sir Mix-a-Lot's "Baby Got Back":
3. "Straight Outta Compton"
Jay Brannan covers Nina Gordon's cover of NWA's "Straight Outta Compton" (WARNING: a good bit of swearing in this one):
4. "Bust a Move"
Jerry Chapman & His Acoustic Herbivores cover Young MC's "Bust a Move":
5. "Gin and Juice"
The Gourds cover Snoop Dogg's "Gin and Juice" live at Bumbershoot (WARNING: occasional swearing in this one):
If you want to catch the end of the extended "Gin and Juice" jam, here it is.
6. BONUS: "Hiphopopotamus vs. Rhymenoceros"
Not a cover, but pretty awesome nonetheless. Flight of the Conchords perform their folky rap battle "Hiphopopotamus vs. Rhymenoceros":