Same old, same old...to boost morale, increase hormone levels and pulse to sharpen senses and raise euphoria / aggression, tighten team bonding and focus (stronger together)

I'd love to list some points of the following but it is just too much tl;dr info.

• An interesting study about sining along to (in this case western pop) music: http://www.doc.gold.ac.uk/~mas03dm/papers/PawleyMullensiefen_Singalong_2012.pdf

• music / sound as a weapon:
  https://www.newyorker.com/magazine/2016/07/04/when-music-is-violence
  The New Yorker - July 4, 2016, issue, with the headline “The Sound of Hate.”

• see also the role singing played in the World War I Christmas Truce of 1914

• Stanford University psychologists Scott S. Wiltermuth and Chip Heath conducted a series of experiments to see how synchronous movement affects group interactions.[...]These findings suggest that cultural practices which involve synchrony (such as dancing, singing or marching) may enable groups to produce members who are cooperative and willing to make personal sacrifices, for the benefit of the group.(Journal Reference: Synchrony and Cooperation. Psychological Science, January 2009)

• there are quite a few videos on youtube showing russian soldiers marching while chanting the theme song to spongebob squarepants (;
  https://www.youtube.com/watch?v=vhuzb3WMntc

Same old, same old...to boost morale, increase hormone levels and pulse to sharpen senses and raise euphoria / aggression, tighten team bonding and focus (stronger together)

I'd love to list some points of the following but it is just too much tl;dr info.

• An interesting study about singing along to (in this case western pop) music: http://www.doc.gold.ac.uk/~mas03dm/papers/PawleyMullensiefen_Singalong_2012.pdf

• music / sound as a weapon:
  https://www.newyorker.com/magazine/2016/07/04/when-music-is-violence
  The New Yorker - July 4, 2016, issue, with the headline “The Sound of Hate.”

• see also the role singing played in the World War I Christmas Truce of 1914

• Stanford University psychologists Scott S. Wiltermuth and Chip Heath conducted a series of experiments to see how synchronous movement affects group interactions.[...]These findings suggest that cultural practices which involve synchrony (such as dancing, singing or marching) may enable groups to produce members who are cooperative and willing to make personal sacrifices, for the benefit of the group.(Journal Reference: Synchrony and Cooperation. Psychological Science, January 2009)

• there are quite a few videos on youtube showing russian soldiers marching while chanting the theme song to spongebob squarepants (;
  https://www.youtube.com/watch?v=vhuzb3WMntc