RE:info acerca de la funcion playsound
Referencia de Playsound
http://msdn.microsoft.com/library/en-us/multimed/hh/multimed/mmfunc_9uxw.asp
Using PlaySound with a Resource Identifier
http://msdn.microsoft.com/library/en-us/wcegmm/htm/sound_4.asp
Using PlaySound with Registry-Specified Sounds
http://msdn.microsoft.com/library/en-us/wcegmm/htm/sound_3.asp
Using the PlaySound Function with Waveform Audio Files
http://msdn.microsoft.com/library/en-us/wcegmm/htm/sound_2.asp
Looping Sounds
http://msdn.microsoft.com/library/en-us/multimed/hh/multimed/wave_33lf.asp
Playing WAVE Resources
http://msdn.microsoft.com/library/en-us/multimed/hh/multimed/wave_3cfo.asp