Please be as specific as possible when letting us know what is missing or incorrect. For example, say "this game's trophy difficulty should be 8/10", with a link to a website corroborating this difficulty estimate (if possible), not "this game's trophy difficulty is wrong".
Add Rock Band 4 - Riffing in the New Year Pack to your Rock Band song library. Pack includes"Thank You, Pain" - The Agonist, "Second Sight Blackout" - Children of Nova, "The Fall of Aphonia" - Children of Nova, "We Collide" - Children of Nova, "Day of Mourning" - Despised Icon, "Shizuku" - Esprit D'Air, "You Ain't No Family" - Iwrestledabearonce, "Still Alive" - Jonathan Coulton ft. Sara Quin, "Half Crazy" - Jukebox the Ghost, "Crazy" - Nonpoint. Compatible with Rock Band 4 only. For music credits, visit www.rockband.com.