MATTIE: Hallelujah is one of the most beutiful songs I have ever listened to in my life. So, I really wanted to cover it! This is inspired by the Pentatonix arrangement. (✨Headphones Recommended✨) Enjoy! #MATTIE #acapella #acapellaapp #cover #collab #collabwithme #joinmycollab #mashup #singing #guitar #harmonies #harmony