Solange Knowles released her sophomore project, "Sol-Angel and the Hadley St. Dreams," last month, but not before catching up with Billboard about the album, why her first set wasn't a mainstream succ

Solange Knowles released her sophomore project, "Sol-Angel and the Hadley St. Dreams," last month, but not before catching up with Billboard about the album, why her first set wasn't a mainstream success and why "Dreams" isn't any more about Beyoncé than it is "about your mom, auntie or cousin."