Why is group singing such a popular custom in Denmark?

Mediebidrag

• Titel	The Local Denmark
  Mediets navn/udløb	The Local Denmark
  Medietype	Internet
  Land/Område	Danmark
  Dato	04/10/2023
  URL	https://www.thelocal.dk/20231004/why-is-group-singing-such-a-popular-custom-in-denmark
  Personer	Lea Wierød Borčak