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Halsey and BMTH are rumoured to collab on a new song, so wanted to see what that could sound like 🤔

Support halsey at http://www.iamhalsey.com/ and BMTH at https://www.bmthofficial.com/ ! Ad revenue from the video goes directly to the artists.

Vocals & Instrumental in this video:
   • Halsey - Nightmare (Almost Studio Aca...  
   • Bring Me The Horizon - Sleepwalking (...