'The Learning Curve,' is a weekly column that showcases five unsigned or indie bands that normal music fans would otherwise never hear off. This week is one of the better crops of new and unheard bands I have put together. You will get a heavy dose of the rock and even some straight metal for your earholes to enjoy.

It's like a good old fashioned tag team match. It is the rock team of Deepfield and Shamans Harvest vs. the metal team of Sighlo and Carnifex, and I guess that Chris Nathan is the ref. Who wins you ask?

Well, I'm not sure because this, unlike pro wrestling, this is r...