Vocal Coach Andreas Grussl reacts to and analyses Pentatonix singing “Hallelujah”. Are there any other singers you want me to react to? Let me know in the comments! Don't forget to Like and Subscribe! Follow me on Instagram: @andreas_grussl _________________________________________________________________ video credit: Pentatonix, “Hallelujah”; PTXofficial’s YouTube Channel, YouTube, October 21, 2016, https://www.youtube.com/watch?v=LRP8d7hhpoQ , fair use snippet of Andreas Scholl singing “Ombra Mai Fu”, Bonazeta’s YouTube Channel, YouTube, October 19, 2011, https://www.youtube.com/watch?v=N7XH-58eB8c . fair use snippet of Avi Kaplan singing “Summertime”, hayatropical2’s YouTube Channel, YouTube, January 21, 2019, https://www.youtube.com/watch?v=ltiVvttwCh8 , fair use photo credit: Photo of Pentatonix by Ralph Arversen - https://www.flickr.com/photos/rarvesen/20948370288, CC BY 2.0, https://commons.wikimedia.org/w/index.php?curid=44139917