Sometimes you might need to play multiple sounds at once (games are just one example) and as stated into documentation here: http://msdn.microsoft.com/en-us/library/ff426928(VS.96).aspx you can have only one MediaElement on a page, so: how do I play multiple sounds at the same time? If you can afford to use plain 16 bit mono wav files you can use XNA’s SoundEffect class in just a few steps: Add a project reference to Microsoft.Xna.Framework assembly. Add the wav files to your project using Content as default build action (don’t forget that Resource is a load time performance...