Oliver Sacks discusses the neuroscience of music

[O]ur exposure to different types of music, and hence our musical literacy, has certainly expanded, but perhaps at a cost. As Daniel Levitin has pointed out, passive listening has largely replaced active music-making. Now that we can listen to anything we like on our iPods, we have less motivation to go to concerts or churches or synagogues, less occasion to sing together. This is unfortunate, because music-making engages much more of our brains than simply listening.

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