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Here’s a secret: on any given night in New York City and Brooklyn, groups of regular-looking people perform exceedingly difficult music in front of other regular-looking people, sometimes for one hour, sometimes for twelve.

Minimal music, the rhythm- and/or repetition-focused classical genre from the later 20th century, is well represented at Amsterdam's Muziekgebouw aan 't IJ. This will surely come to a climax during the 2013 edition of the biannual World Minimal Music Festival, but as Marinissen of Lunapark stated before this warm-up edition: "We just couldn't wait".