There is alot of great music in northern Indiana, here are a few links you might want to check out.

Bluegrass:

The Wright Sisters

http://www.wrightsistersbluegrass.com

Folk:

Goldmine Pickers

http://www.goldminepickers.com

Blues:

Summertime Blues Band

www.summertimebluesband.com

Rock:

Voodoo Reign

http://www.voodooreign.com

Crystal Blue Armadillo

http://www.angelfire.com/bc2/cba/