Frequency DistributionsStatistics

Beethoven’s Moonlight Sonata as Seen Through Data

This video shows Stephen Malinowski playing the first movement of Beethovens Moonlight Sonata. The sheet music scrolls by at the bottom, and a bar graph scrolls across the top.

The colors indicate the «pitch class» of the notes; that is, every C# is a certain color (blue), every E is a certain color (olive green), etc. The piece is in the key of C# minor, so there’s lots of blue and green, especially at the beginning and end. What data is this bar graph reflecting? Can you think of a different way to represent this data?

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