“In 1989 I paid a scalper $400 for a ticket to see The Who play Tommy. It was worth every cent”: Mike Portnoy on his top prog songs and artists, and why the Rolling Stones have the greatest-ever prog album sleeve

A photograph of Mike Portnoy.

In 2017, amid his 13-year absence from Dream Theater, Mike Portnoy offered Prog a glimpse of his vast collection of musical memorabilia and shared his passion for King Crimson’s songwriting, Neil Peart’s books and, em, the Bee Gees.

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