SMC 82: Aurora, Piracy, Elephants, and Boring Pop

Finland aurora study: are there sounds associated with the northern lights?

70 Percent of All Music Piracy Happens Offline.
Study by the NPD group, a market research firm.

The secrets of the elephant’s larynx. (NYTimes, Study)
Video of elephant vocal folds.
Video of elephants in wild making infrasonic calls.

Modern pop: louder and “dumber?” Let’s discuss the limits of this study.
SciAm coverage.
Slate coverage.
The Million-song dataset.
The loudness wars (video).

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