Katya and Yahyo investigate a musical performance that caused its audience to go berserk.

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Music used in this episode can be found at redgametable.com.

The pdf of version 1.5 of Matryoshka: Cosmic Horror Investigation in the Cold War USSR can be downloaded at utopologist.itch.io/matryoshka. It's pay-what-you-want, so if you want the book but have nothing, you are just as welcome to the book as anyone.