LOUD is like a combination of all her previous albums. I see elements from all 4 represented at their best.
S&M - very Rated R meets GGGB
Whats My Name - very A Girl Like Me meets GGGB
Cheers - Rated R meets A girl Like Me
Fading - GGGB meet A Girl Like Me
Only Girl In The World - the most innovative track (hence why 1st single)
California King Bed - A Girl Like Me meet Rated R
Man Down - Music Of The Sun meet Rated R
Raining Men - GGGB meet Music Of The Sun
Complicated - GGGB meet Music Of The Sun
Skin - Rated R meet GGGB
LTWYL part 2 - Rated R