Music from Defying Gravity?

We’ve been watch­ing Defy­ing Grav­i­ty on Hulu, and enjoy­ing it. The music is one of the appeal­ing fac­tors, but I can’t find any infor­ma­tion about what songs by which per­form­ers are used in most of the episodes. TV.com has infor­ma­tion for two of them, but not the rest. I don’t sup­pose any of you know where to find more information?

Edit­ed to add: Found it!