For choirs with few (or no) tenors, here are some pieces for sopranos, altos and men, all with piano accompaniment.
Ceilidh, an original set of Scottish reels (from Scotland at Night)
The Skating Minister, adapted from the popular Skaters’ Waltz
An Old Man and his Grandson, from The Painter's Eye
I will lift up mine eyes (Psalm 121) with organ accompaniment
The Boatman (Fear a' bhàta), a beautiful, haunting Gaelic song arranged with piano accompaniment.
They are all available from Roberton/Goodmusic publications.