Haters Gonna Hatebr br Written by Will Roosbr Lead Vocals and Bass Guitar - Will Roosbr Acoustic Guitar and Electric Guitar - Adam Sickler br Drums and Cowbell - Matt Salvobr br Produced by Adam Sickler and Will Roosbr Engineered, Mixed, and Mastered by Adam Sicklerbr Drum Engineer - Nico Riversbr Assistant Engineer - Sarah Messiasbr Lyric Video by Calvin West