Ever since the coronavirus pandemic shuttered clubs, bars and concert halls around the world, music fans have been dreaming of the day they can once again visit a busy, sweaty venue to enjoy a gig with friends.
Thousands crowd into an indoor concert in coronavirus experiment
![Thousands crowd into an indoor concert in coronavirus experiment Thousands crowd into an indoor concert in coronavirus experiment](https://cnncentral.com/wp-content/uploads/2020/08/200822085241-02-germany-concert-covid-experiment-0822-super-169-840x480.jpg)