Another commendation: the only two Bible fics I've come across that didn't leave a very bad taste in my mouth. Quite the opposite, in fact. And they both feature the apostle John, so again: appropriate.
Storm Clouds and Some Secrets in a Privacy, both by tree_and_leaf
*Seriously. Sicut cervus ran a close second, but you have to sing it with a bit more care, whereas Psallite is great fun to sort of gallumph through rowdily.