Honestly, how many people visiting Newgrounds want to differentiate between Bluegrass, Country and Blues when we don't even have a chiptune section!!
Make it right.
EDIT : For those of you who don't know what chiptune is, check this out. Chiptune music is stuff generated by classic computer hardware, gameboys and the like.
http://bit.shifter.net/audio/bit_shift er_-_hexadecimal_genome.mp3
Shadowii2
Hmm, I would call it "retro" music myself, but yes.
There really should be a section for that, as I really like 8-bit songs.
Especially most of the ones they have at "8-bit people.com"