Employment

I have a job this summer. I'm going to be the pianist for a local church, since their current pianist is moving back to her home state (one of the Dakotas) after she finishes her degree... which I believe she must have done by now. At any rate, I start in two weeks.
I'm kind of nervous. This is the first time I've ever had any sort of steady job. It's only for two and a half months, until I leave, but still. It's kind of cool to see how organized the whole thing is, though... E gave me a sheet with all of the hymns that they'll be doing for two months, and the anthems that I'll need to learn, and some books to look through for preludes and postludes and stuff.
Part of my job description is to take the hymns, look at what's written on the page, and improvise. I'm not terribly good at improvisation on the piano, but there's no better way to learn than to be shoved into a situation where it's required of you. And now that I've got all of my scheduled major performances behind me, I can focus on practicing improv... yikes. So anyway, the first hymn I'm going to have to improvise on in front of people is 'His name is Wonderful.'
I also have to go play for choir practice twice a week.
E says I should use this time to focus on using my arms more... but I'm afraid that I'll be focusing on improvising so much that I'll forget to.