
You
know what an "earworm" is- it's that song you can't get out of your
head. The scientific term for an earworm is "involuntary musical
imagery." Anyone who watched
The Walking Dead this week knows
how horrible an earworm can be
if it's not a song you would normally listen to. Many people have a
default earworm, which you keep in your head when other songs aren't
stuck there. Mine is "Ode to Joy" by Beethoven,
with or
without
lyrics. But most earworms are temporary, caused by listening to the
actual external music. However, if you listen to a variety of songs,
say, on the radio, some are much more likely to get stuck in your head
than others, and it doesn't necessarily follow that you particularly
like those songs. What makes the difference? That happens to be the
subject of a research project, in which common earworms were identified
and compared to non-earworm songs.
What the
researchers found was that earwormy songs are generally faster than
non-earworms, had “unusual” intervals (unexpected leaps or more repeated
notes than usual), and followed “global melodic contours,” which means
that they have melodic shapes that are commonly found in Western pop
music. They also tend to be the songs that are being played the most on
the radio and TV.
An example of one of the most common melodic
contours cited by the researchers is ‘Twinkle, Twinkle, Little Star,’
where the first phrase rises in pitch and the second falls in pitch.
This melodic contour is also found in the Maroon 5 song ‘Moves Like
Jagger,’ the fifth most cited earworm in the study. A little closer to
home is the so-called “Millennial whoop,” which alternates between the
fifth and third notes of a major scale and is featured in songs like
Katy Perry’s ‘California Gurls’ and Twenty-one Pilots’ ‘Ride.’
You can
read all about the study at Motherboard. I apologize if this post has caused a song to lodge in your head.
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