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Can I disable music? or change the volume? it's very higher than sound effects
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According to the readme files included, it should be done my hitting 'M' to mute music, or 'S' to mute sound effects.
'S' ound mute is working, but not 'M' usic.
Such readme reference GOG, and their support address:
If you feel like giving them an email/ticket and finding out more.
**Running Vista here