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).  Also, I apreciated the episode on sleep, because it confirmed my own experience (and is also confirmed by science) that you get better at whatever you practice after you sleep on it.