And if there's a case where you can get time added to your timer, when using something like that, make sure to add in some I/O to turn off the music (or, bonus, make it fade out nicely)
So you want the music to only play when the round is ending and not starting?
Create a logic_relay that plays your sound and have your 30second output trigger that relay instead.
Your relay needs to be disabled at start and you can enable it after the round has begun.
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