Reinstall app removed via ADB

Question

I removed 'MusicFX' via 



adb shell pm uninstall --user 0 'musicfx package'


And now I'm having issue with playing Bluetooth media audio, so I thought maybe it's that



Can it be reinstall, maybe an ADB command? The APK is still in /system/priv-app, but trying to install from there won't work (says app not installed)


— unixandria | Sources

Answer 

adb shell pm install-existing com.android.musicfx

— karthik nair | Sources

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