It's been 50 years since Castro, and not much has changed in Cuba. No wonder the music sounds just a little harder and angrier there. Here's a snapshot of the country's hidden metal scene.

1.Ancestor lead singer Viktor Hyde, onstage at 666 Fest

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Read SPIN's new report on Cuba's hidden metal scene, Red Menace.

2.Ancestor lead singer Viktor Hyde, onstage at 666 Fest

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Read SPIN's new report on Cuba's hidden metal scene, Red Menace.

3.Cuban band Escape stroll through Old Havana

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Read SPIN's new report on Cuba's hidden metal scene, Red Menace.

4.Amed "Helheim" Olivares and Damian Vivas of Abaddon

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Read SPIN's new report on Cuba's hidden metal scene, Red Menace.

5.Fans at 666 Fest in March 2012

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Read SPIN's new report on Cuba's hidden metal scene, Red Menace.

6.Switch in Old Havana

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Read SPIN's new report on Cuba's hidden metal scene, Red Menace.

7.A fan at 666 Fest shows off some ink

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Read SPIN's new report on Cuba's hidden metal scene, Red Menace.

8.At home with Dionicio Arce of Zeus, Cuba's biggest metal band

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Read SPIN's new report on Cuba's hidden metal scene, Red Menace.

9.Chlover frontman Michel Hernandez in Old Havana

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Read SPIN's new report on Cuba's hidden metal scene, Red Menace.

10.Maxim Rock, rickety epicenter of the Cuban metal scene

10/17

Read SPIN's new report on Cuba's hidden metal scene, Red Menace.

11.Writer David Peisner (guess which one!) with members of Narbeleth, backstage at 666 Fest

11/17

Read SPIN's new report on Cuba's hidden metal scene, Red Menace.

12.Abaddon bassist Ines Maliujova

12/17

Read SPIN's new report on Cuba's hidden metal scene, Red Menace.

13.Ancestor drummer Alcides Thorn

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Read SPIN's new report on Cuba's hidden metal scene, Red Menace.

14.Escape drummer Alejandro Padron, at band practice at Maxim Rock

14/17

Read SPIN's new report on Cuba's hidden metal scene, Red Menace.

15.Ancestor bassist and 666 Fest co-organizer Joel Kaos

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Read SPIN's new report on Cuba's hidden metal scene, Red Menace.

16.Brutal Beatdown label founder David Chapet

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Read SPIN's new report on Cuba's hidden metal scene, Red Menace.

17.Members of Narbeleth and friends, backstage at 666 Fest

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Read SPIN's new report on Cuba's hidden metal scene, Red Menace.