A rhythmic linchpin of the modern progressive metal and hard rock scenes, Mike Portnoy is best known as the drummer and co-founder of Dream Theater, with whom he spent a quarter-century. A dynamic and versatile musician, Portnoy has remained remarkably prolific over the decades. He is the drummer for Sons of Apollo, the Winery Dogs, Transatlantic, the Neal Morse Band, and Liquid Tension Experiment, among others, and has recorded and toured with numerous acts, among them Avenged Sevenfold, Twisted Sister, Adrenaline Mob, and Fates Warning. He also has four tribute bands with Paul Gilbert including Hammer of the Gods and Cygnus & the Sea Monsters.