Drummer REACTS to Mike Portnoy Playing NICKELBACK

Mike Portnoy Hears "Burn It To The Ground" For The First Time

Drummer REACTS to Chad Smith at Drumeo

Mike Portnoy Plays THE DANCE OF ETERNITY on Drumeo

Metal Drummer reacts to Mike Portnoy

DREAM THEATER "Instrumedley" (Live @ Budokan '04) // Audio Engineer & Pro. Drummer React

Mike Portnoy Learns Impossible Danny Carey Drum Part

Drummer Reacts : Mike Portnoy - The Great Debate

Mike Portnoy ALMOST Joined Nickelback? 😜 || Drummer Reacts

"UK Drummer REACTS to Mike Portnoy Hearing "Burn It To The Ground" For The First Time REACTION"

Drummer Reacts to Megadeth's Drummer playing Mr. Brightside

Drummer REACTS to Simon Phillips on Drumeo

Drum Teacher Reacts: MIKE PORTNOY Hears "Burn It To The Ground" For The First Time

Tool - Pneuma: Mike Portnoy vs Danny Carey

Drummer Reacts to Jonathan Moffet Unbelievable Drum Performance!

[Bassist Reaction] Chad Smith hears 30 Seconds To Mars for the FIRST time

Dream Theater Grooves & Fills | Mike Portnoy

Drummers HONEST Reaction to El Estepario Siberiano - One Handed Vol 1

Reagindo ao Mike Portnoy tocando Nickelback no Drumeo!

Drummer Reacts to Greyson Nekrutman Hears Sleep Token for the First Time

Drummer Reacts To - Mike Portnoy Hears "Burn It To The Ground" For The First Time