Physics and Astronomy Labs/Sound speed and the relativity of rhythm

Beethoven's seventh symphony edit

Visit YouTube/SMALIN to hear and see the first movement of Beethoven's 7th symphony: The lively Vivace takes dotted quarter note at 104 beats per minute (  = 104) in a Compound Duple Meter[1]. After a string of (often misleading) rhythmic hints, the pattern is establised at minute 4:16 in the youtube video. The theme is:


Files edit

Space-time diagram: Requires 49.47 meters at c=343 m/s and 104 beats per minute.
E659 at x = 33m
C554 at x = −16.5m
A440 at x= 0 m

Footnotes edit