13:08

Geoff Castellucci - Blackbird (The Beatles BASS SINGER cover) FIRST REACTION! (WHAT A RANGE!)

8:24

Reaction to Geoff Castellucci - Blackbird - Metal Guy Reacts

9:47

Metalhead's First Time Hearing PENTATONIX - "Hallelujah"

17:22

SHOWING OFF IN THE BEST WAY!!!!!!!!! Blind reaction to Geoff Castellucci - Blackbird

18:37

Secrets of Subharmonics and Overtones REVEALED! Vocal Analysis of Bass Singer: Geoff Castellucci

15:40

Opera Singer Reacts To Geoff Castellucci - Blackbird | The Beatles | Bass Singer Cover

14:39

Geoff Castellucci clips, appreciation and goofs pt. 1

6:36

Metalhead reacts to PTX on the Sing Off "Dog Days Are Over"