art
Sine Wave A 440 Hz Concert Pitch for Ten Hours
Stop your brain from overthinking. You don't need an app. Ten hour Sine wave with no overtones which is called pure as it is only the fundamental frequency.
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This is La mécanique de l’Histoire (The Mechanics of History) at le Panthéon in Paris, a co-production with Théâtre de la Ville. The acrobatic installation is by dancer, Yoann Bourgeois was part of the third edition of Monuments en mouvement, an annual pairing of dance events within monuments around France.