3 in a Row.

"Tribeless"

From 'Denton' texas come Tribeless, a duo, Landon and Matt, playing Math with touches of whatever sounds good
Their G.H.EP can be obtained for FREE at

Tribeless_-_Bandcamp_-_album_-_G.H.EP-

and if you visit them on the
farcebook.com/TRIBELESSTX

you may eventually find a link to a bunch of Landon's stuff on a,

http://soundcloud.com/notlando

"Mahjonng"

"Machinegong"
From 2003
Chicago band 'Mahjongg'
with something worth listening to. Start here with 'Aluminium'
"Free music archive.org/music/Mahjongg/Machinegong_EP/

Some Math Post/Hardcore from Denver.
The above track and Picture from the 2010 release 'Atered Beast'
it's FREE along with an earlier 2009 release,'Believe It'
http://stelias.bandcamp.com/album/altered-beast