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 standing on the dock of our marina and recorded this small boat passing by. Recorded with my Sony stereo recorder. Enjoy and comment and rate and download as well.