I smoke quite frequently so I can chime in on mixing the two even making cannaga or channabis whatever sounds better.
But I am no hyperspace genius by any means.
With that being said anytime in use cannabis it tends to add to my anxiety if that makes sense(could be my personal problems) and makes things fuzzyer than when I use non psychoactive herbs.
I prefer using the sandiwsh method with a layer of Mullien on bottom and top.
It makes it much easier on you when holding in hits,and vary cheep.
I have had a TV on once while delving and sounds and visuals bleed into my experience almost like it adapts to your situations with an unimaginable amount of variables.
I'm still working on finding a solid setting to delve into the depths.
I read that you experienced this sometime ago, have you since tried it in different set and setting?
I'm a Telemarketer that watch's way too much Anime.