Hidden Patterns in Folk Songs Reveal How Music Evolved
Briefly

The researchers found three worldwide trends: songs tend to be slower than speech, with higher and slightly more stable pitches, suggesting singing isn’t just a by-product of speech.
Perhaps it developed to unite people, an idea called the social-bonding hypothesis, as slower, more predictable melodies allow us to synchronize and harmonize in ways language can’t.
Read at www.scientificamerican.com
[
|
]