Zoom provides settings for audio optimization for live music or other high quality sound needed to be shared in a Zoom conference. Inside your account settings, please open the audio options screen and then look for the setting in the "Audio Profile" section. All steps are described in detail in the following Zoom article: https://support.zoom.us/hc/en-us/articles/360046244692

Once in a meeting, users can toggle the "original sound for musicians" feature on and off by simply clicking on the option in the top left corner of their Zoom meeting window. The steps are described in this Zoom article: https://support.zoom.us/hc/en-us/articles/115003279466-Using-original-sound-for-musicians-in-a-meeting