Abnormal loudness mismatch (when Play repeats unchecked)

[Dima-S-Jr]

Issue type

General playback bug

Bug description

A very strange unjustified loudness change during playback.

Steps to reproduce

I cannot describe exactly when and under what circumstances this happens. You'd better watch the video attached below.

Screenshots/Screen recordings

https://github.com/musescore/MuseScore/assets/134041121/2010d67b-6d8a-4134-aefb-a3fa125790c4

Can-can.mscz

MuseScore Version

MuseScore Studio version (64-bit): 4.3.0-241231433, revision: github-musescore-musescore-5f36e74

Regression

Yes, this used to work in MuseScore 4.0.2

Operating system

Windows 11

Additional context

This happens not only with brass wind instruments (as shown in the video), but with all instruments.