You may already be aware of this, but if you are using Zoom for live services with music you can significantly improve the audio quality from the default settings.
All you need to do is enable a couple options in Audio Settings/Preferences under “Original Sound“. Here you can disable the automatic background noise suppression Zoom uses and reduced the audio compression. Once enabled in Settings you can toggle it on and off in a meeting using a button at the top left.
You can read the full Zoom tutorial here: