Gaga's most open-hearted song: a straightforward ode to her "cool Nebraska guy." With a big beat, and a big tune, worthy of a classic Def Leppard power ballad – not to mention Def Lep's old super-producer, "Mutt" Lange.
Random Notes: Hottest Rock Pictures
Video: Mick Jagger Talks James Brown's Influence
Gallery: The Hottest Live Photos of 2014