Welcome to Sample Size, where KOSU's Ryan LaCroix and LOOKatOKC pop music columnist Matt Carney team up each week to discuss music news and new music releases.
Today, we look at a change in methodology for the Billboard 200, the anticipation of John Moreland's upcoming album in 2015, and a collaboration between the Queen of Hip-Hop Soul Mary J. Blige and U.K. house duo Disclosure.
Follow Matt & Ryan on Twitter at @OKmattcarney and @KOSUryan.