Glad you enjoyed riding with music! Sorry to harp, but I really do have to stress this - ride as if you have someone about to pass you at any time. I understand getting surprised and swerving, but with earbuds you're not really "allowed" to be surprised. Even with a mirror there will be times when you haven't seen someone coming. I pass people with mirrors all the time that haven't seen me, or at least are behaving as though they haven't seen me.

Have fun with your commute, happy songs to ride to are the best! If you search the forum you'll find tips for more music.