I started to play the VCMI and i really enjoy it! The only issue i have is with soundtracks not resuming but restarting every time i enter a town or area. I also looked for a fix, yet didn’t find any. So i’ll just let it know that this bug/issue exists and hoping for a future fix! 
Thank you for your feedback. This issue is already known, see f.e. https://bugs.vcmi.eu/view.php?id=1634
Next time please use bug tracker https://bugs.vcmi.eu/ (“Bugs” Link on top this page) to report issues.