Vocal coach Tristan Paredes reacts to Billie Eilish & Justin Bieber singing a new version of the song "Bad Guy" off of Billie's 2019 album "WHEN WE ALL FALL ASLEEP, WHERE DO WE GO?" Instagram: https://www.instagram.com/tristan_paredes/ Twitter: https://www.twitter.com/maestroparedes 2nd Channel: https://www.youtube.com/channel/UCq02ycwbK5U1UQ4G-QlN23Q Our Singing & Karaoke Discord: https://discord.gg/8gr3YzY Singing Meme Subreddit: https://www.reddit.com/r/Singingmemes/