I'm at a stage, where knowledge and technique is pretty good, but the experience is still low. So I now just need to perform, just sing. Without thinking about anything technically.
Like with everything: learn your craft, and if you've done that, forget all about it, and just do your thing.
I've been studying Bel Canto, Speech Level Singing, Complete Vocal Technique, Voice Training System, you name it. I've decided to go for the things that work for me, sort of creating an own method out of it. But now, I need to do it.
I'm a lyric tenor, with a modal (comfortable) range of A2-E5, being able to extend it to F#2-B6 (F#2, non-vocal fry, but it's really low for me, and not comfortable, and E5-A5 is usable, but needs work, and A5-B6 is just crazy and as of yet only for effects: what Ian Gillan did with his trademark screams of G5's or A5's, I try to do with G6's and A6's.
Mano