Specifies the name of an audio file to be played in the background while the application is running.
The BGSOUND element must be a child of the TQS element.
No children are supported within the BGSOUND element.
The sound file must reside in the data root folder. This is, by default, the folder containing the .TQS file.
Depending on the version of Windows Media Player and the codecs installed, different audio formats are supported, such as MIDI, WAVE, and MP3.