THE THIRTEENTH OF MAY   aka  In Fatimas's Cove, or Avé de Fátima
The Thirteenth of May - Cantate Domino     https://www.youtube.com/watch?v=cU2gKKlk4KA
Many other recordings of 13th Of May on YouTube     https://www.youtube.com/results?search_query=The+Thirteenth+of+May
In Fatimas's Cove by Kyle Geraghty     https://www.youtube.com/watch?v=0Mk8iM3XaeU
Avé de Fátima from Wikipedia     https://en.wikipedia.org/wiki/Av%C3%A9_de_F%C3%A1tima