Did Polyphia Out-GOAT Steve Vai?
23:26
Polyphia Roasts Fan Covers
23:33
Can Machine Gun Kelly play guitar?
13:58
MUSIC DIRECTOR REACTS | Polyphia - Ego Death feat. Steve Vai (Official Music Video)
17:11
Polyphia - Ego Death feat. Steve Vai (Pianist reacts to metal head’s suggestion)
27:27
Technical Breakdown of Ego Death by Polyphia & Steve Vai - Pro Guitarist Reaction
20:50
DragonForce Herman Li Reacts to Tina S Through the Fire and Flames Cover
25:39
Polyphia Answers A Lot of Questions: On Recording Process, Technique, and Keeping Steve Vai Happy
20:32