On GotSound.org we are using wavesurfer.js to play sounds in a browser.
It's works only in modern browsers supporting Web Audio.
MediaElement fallback to support old browsers like Internet Explorer not always works.
You can find more information about browser supported Web Audio API here.
Please, consider to upgrade your browes to one of the following:
I was going for a walk in around the center of Esbjerg, when i got to the town square. It was kind of deserted, and only populated with people crossing over or passing by. A bit scary, when i think about how many people the town square use to hold, in the weekdays. Recorded with a Zoom H2