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:
A Canadian man voices his love for Sophie while sharing a woo with her speakers!!!!!!! A brunette girl heard this one and she was the closest pedestrian to a SOPHWOO ever!!!! I love Sophie 100878979878979878798789787897879879% Jay + Sophie (L)