Not sure. Have to ponder about this. Just wondering, what if the colour of the 20th century wasn't blue?
I'm thinking Picasso's blue period,Miles Davis's "Kind of blue" and pornography…(Blue movies as they used to be called.)
And the amazing Blue Man group: https://www.youtube.com/watch?v=dOLBn8GKBlA"]Blue Man Group - Drumbone (Melodifestivalen 2010 Sweden) - YouTube