You may want to look at this from a few years ago.
https://community.justinguitar.com/t/getting-the-right-loudness-levels-and-mix/119812/1
There are element that refer to setting up for out Open Mics but the overall topic was loudness levels.
You will get a multitude of difference response to your poll, as folks will be using many different types of speakers or headphones etc. May advice would be to establish what streaming or sharing platform you intend to use and mix your tracks for the optimum levels of that platform. And a Loudness Meter like the one from Youlean, lets you dial that in and see where you are either cooking or falling short.
