Mike Portnoy - The Glass Prison (Lesson)

Mike Portnoy - The Glass Prison (Live)

Mike Portnoy - Panic Attack (Lesson)

Mike Portnoy - The Glass Prison

Mike Portnoy - Author of Confusion

Drum Duet Mike Portnoy Terry Bozzio

Mike Portnoy Plays "Panic Attack" | Dream Theater

Mike Portnoy - This Dying Soul (Lesson)

MIKE PORTNOY: ''The Glass Prison'' - Dream Theater (Drum Clinic, NY 2003)

Mike Portnoy - The Great Debate

Dream Theater Instrumedley PORTNOY ONLY - "The Dance of Instrumentals"

Mike Portnoy Progressive Drum Concepts Full DVD 2004

Mike Portnoy Plays "Under A Glass Moon” | Dream Theater

Mike Portnoy - Raise the Knife - DrumCam

Mike Portnoy - OSI project

Danny Carey | "Pneuma" by Tool (LIVE IN CONCERT)

Mike Portnoy - Endless sacrifice

mike portnoy shrink and grow

Mike Portnoy Drum Cam - Liquid Tension Experiment - Hypersonic

Mike Portnoy - Constant Motion

Mike Portnoy Drum Lesson: Paradigm Shift