I've been eating up science podcasts about music lately.  My favorite so far is a particular WNYC Radio Lab's musical language podcast, which right from the outset links speech to song.  They have a couple of more episodes on music (Pop Music and Earworms, the latter only availalbe to podcast subscribers).  A

I first picked up Mondomix at my rehearsal studio - it's a free (bi)monthly mag that covers the world of ... (cringe) "world" music.  It's definitely edgier than the Putumayo offerings, I'll say that much....