I'm a bit confused:
If we tag #jahm, the post will just appear on reggaesteem.io?
To get it to appear in ReggaeSteem the community, we have to tag #hive-150047 (or directly post in that community)?
Using the tag #reggaesteem will or won't get the post to appear in the ReggaeSteem community (or anywhere else)?
Setting up sub-communities within ReggaeSteem - that has to be done by an admin or mod?
These tags/communities that you are talking about in your post are not directly associated with the ReggaeSteem community (#hive-150047) - they would have to be added to it as a sub-community?

Thanks :)