Here in the Midlands we occasionally sing 'While Shepherds Watched' to a tune called 'Sweet Chiming Christmas Bells'. Better than the dirge that's usually sung.

http://www.folkinfo.org/songs/displaysong.php?songid=149

I don't know why that didn't come out as a blue clicky thingy.

I've always thought it was by Cornelius Whitehouse but I'm probably wrong.

My grandad used to have an organ in his living room (Ooh Matron!). I don't know what it was called but he used to have to pump air into the organ with his feet.