Chopin said he hated music where there is no hidden thinking, but he didn't like to show the inner element or declare it.

WSJ: Maurizio Pollini: Not as Others See Him | Cultural Conversation by David Mermelstein

But the inner element of his appeal is very mysterious.

WSJ: Maurizio Pollini: Not as Others See Him | Cultural Conversation by David Mermelstein

Steampunk is also characterized by showing the inner workings of an item, such as cogs and gears, as a design element.

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