Actually, I wonder if I'm conflating two separate songs...

I think you are. "Tighinn air a'mhuir am fear a phosas mi" is from the CD "Nadurra" and means "The one who will marry me is coming over the sea", according to the booklet.

There may be different versions of "Beautiful Wasteland": the US release has a blue cover. Track list is as follows:

1. M'ionam, 2. Inexile, 3. The Tree, 4. Am Mur Gorm, 5. Beautiful Wasteland, 6. Co Ni Mire Rium, 7. Shelter, 8. Hebridean Hale-Bopp, 9. Kepplehall/25 Kts, 10. Thiocfadh Leat Fanacht, 11. Finlay's, 12. Sardinia