I've been singing along (loudly! with gusto!) to Shakey Graves and Esme Patterson for the last couple of months. Love their simultaeously vintage and modern country/folk kind of vibe. Plus they just seem to be having so much FUN. Come on, join in at the chorus!
Shakey's from Austin and Esme's from Denver so keep an eye out for them if you're in those parts. Also, Esme did a great TEDx appearance last year when she performed a trio of songs inspired by old songs with women's names in the titles, rewriting them from the woman's perspective:
