Triggers make BGM play from the beginning

What this problem is related to? (e.g. Game / Launcher / Website / etc. ):

Describe the problem: When you load to a new area or trigger other BGM triggers, the BGMS always start to play from the beginning.

What was the expected behavior?: The playback should proceed regardless of when a player triggers it.

List the steps that occurred before the problem appeared:
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Can you reproduce the problem?:

Operating System, Browser version, Antivirus, or any other related platform information (if relevant):

Screenshots/Videos (if available):