Mic cuts out when sharing music on zoom

[fijimark]

I am a music teacher and I am trying to demonstrate music examples by playing along with a track. First of all,  when I share audio, it is always a lot softer than my system settings. Whenever I hit the share audio button, it seems to change the settings in the system. Then when I try to play along with the music,  my microphone ends up cutting out. The mic also ends up being a little behind the audio. 

I am using a scarlet 2i2 interface on a Mac computer.

[RobF]

I would try the following if  you have not already done so.
In the Zoom desktop client, go to Settings > Audio > Music and Professional Audio. Enable that setting. Enable High Fidelity music mode.
Once in the Zoom meeting, you can enable "Original Sound" by clicking in the top left corner.

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