Yes! Using a sound utility such as SndSampler or SoundApp, convert your music file of any format to these specifications:
• 22.05Khz
• Stereo quality
• 16 bit
• IMA 4:1 conversion
Using Apple's free (url="http://"http://download.info.apple.com/Apple_Support_Area/Apple_Software_Updates/US/Macintosh/Utilities/ResEdit_2.1.3.sea.bin")http://download.info...t_2.1.3.sea.bin(/url)ResEdit

Actualy, you don't need to do that.
Almost any sound file will work.

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Measuring energy in kilowatt-hours is as stupid as measuring distance in knot-seconds.