Sometimes I get asked what it is like to 'feel a calling.' It's hard to describe, but for the most part it feels closest to the nervous anxiety you have (at least I did) before going away to college. Though you want to go and know that there is much good that can come of it -- you are very nervous of the unknown, and the changes that will come about in your life. It is very comfortable staying where you are, but you know that you need to move on...
Tom Jones has a new album, Praise and Blame the style and content of which is as much a surprise to me as it is I'm sure to you. Not sure if it's quite my cup of tea yet, but one of the songs gets across another aspect of 'the calling' as I feel it.