Those of us who attend church on a regular basis (and those of us into Welsh folk music) will be familiar with The Ash Grove. The tune has been used for lots of modern Protestant hymns. And it’s just a really fun song. I’ve finally gotten around to learning it on the Stick. It’s also really fun to play, especially the middle section (measures 17-24).
Here’s a PDF of the sheet music (in A major – I usually play it in C to make it easier on our organist).