Add Rock Band Rivals Launch Pack to your Rock Band song library. Pack includes "Happy Song" - Bring Me The Horizon, "Safe and Sound" - Capital Cities, "Save Tonight" - Eagle-Eye Cherry, "Happy" - Pharrell Williams, "Sweater Weather" - The Neighbourhood, "Little Talks" - Of Monsters and Men, "Closing Time" - Semisonic, "Chandelier" - Sia, "Feel Invincible" - Skillet, "King of the World" - Weezer. Compatible with Rock Band 4 only. For music credits, visit www.rockband.com.