The "Happy" singer also published his "7 Keys to Happiness" on Wattpad.
Skateboard P says jury decision “handicaps” the right to create.
Eminem, Kanye West, Jay Z, Kendrick Lamar and others hit with litigation.
Robin Thcke and Pharrell's trial opened a Pandora's box.
Plus, Nicki Minaj blasts IHOP, B.I.G.'s b-day and more.
Late singer's daughter says the award-winning song sounds familiar.