It seems you don’t understand that the connnection you feel isn’t exactly real but more like you thinking you are connecting with others. You are projecting, the same way everyone else does in a crowd or among others. The feeling of connection seems to be more of an illusion, albeit a pleasant one.
Hate to burst your bubble music man, but it’s all in your head. You can’t communicate emotions through any language. Not through music because of how subjective it is and how different people respond to the same sound (and what some consider music others find to be noise) and not through poetry. Nothing short of a mind link could let you communicate emotions.
That’s the problem with artsy types, they make their feelings out to be more than what they actually are.
Which may have applied at one time, but I am now a retired bookkeeper for a large company. Not much room for feelings or artistic creativity, just numbers.
And you are right in saying it’s all in our heads. I really think it’s about time you watched this. https://www.ted.com/talks/anil_seth_how_your_brain_hallucinates_your_conscious_reality
Seen it, but that doesn’t refute my point about there not being an emotional langauge.