XNA4ParticleXML1709074696.zip

XNA4Particle6636254033.zip

XNA4 Simple Game Engine with Entity & Camera Class
http://www.andrejeworutzki.de/game-developement/xna-4-tutorial-simple-game-engine/

http://hack1.codeplex.com/

Playing a Sound
http://msdn.microsoft.com/en-us/library/bb195053(v=xnagamestudio.40)

Looping a Sound
http://msdn.microsoft.com/en-us/library/dd940203(v=xnagamestudio.40)

Adjusting Pitch and Volume
http://msdn.microsoft.com/en-us/library/dd940201(v=xnagamestudio.40)

Playing a Song
http://msdn.microsoft.com/en-us/library/dd231914(v=xnagamestudio.40)

Applying a 3D Positional Effect to a Sound
http://msdn.microsoft.com/en-us/library/bb447687(v=xnagamestudio.40)

Streaming Data from a WAV file
http://msdn.microsoft.com/en-us/library/ff827591(v=xnagamestudio.40)

Using XACT
http://msdn.microsoft.com/en-us/library/ff827590(v=xnagamestudio.40)

XNA4SoundXACT5211787567.zip

XNA4Sound – using SoundNodeHandler1778293232.zip

XNA4SimpleSound8810779115.zip

http://create.msdn.com/en-US/education/catalog/sample/shadow_mapping_1

http://create.msdn.com/en-US/education/catalog/sample/billboard