Although I'm not shy when I'm singing, I am whenever I hear applause. I don't know if you've noticed, but I giggle a lot on-stage. That's shyness. And the stage manager is always telling me to take a longer bow whenever I come off-stage. I still haven't learnt to do that properly. I see other artist
Then came the choreography... the impact of music and choreography tends to really emphasize an overall feeling of what you really want out of the program.
My career spanned the era when relievers started to become more important.