The Cadillac Three is gaining a girl...Midland released an EP... Neil Mason of The Cadillac Three and his wife Chelsea announced they are expecting their first child together- a girl this summer.He posted a few photos on Instagram saying, “My heart is so full of love for her and for Chelsea.” Midland just released their EP, Guitars, Couches, Etc., Etc. The title is a nod to Dwight Yoakam's album Guitars, Cadillacs, Etc., Etc.The album features acoustic versions of…