next song:

this is Wagon Wheel, by Old Crow Medicine Show.

they're a bluegrass band, a genre of music which many of you who are not from the united states have probably never heard of.
bluegrass is the music of what wee call "hillbillies" or people who live in the Appalachian mountains, relatively isolated from the rest of society. they are often viewed as being very backwards and unsophisticated, and their music is played primarily on banjo, fiddle (like a violin), mandolin, and the stand up bass (i think its called a cello, but don't quote me...)

anyway, here is the song:
Source: YouTube