Yes there remembered of by heart , I have dozens of them now.It comes from listening to bands like The Dubliners,The Clancy Brothers, Daoiri Farell and Lankum for years.
The songs are catchy and melodic I find they are quite easy to remember.
Thanks again for the kind words :)
Yeah I've seen Fishermans Friends .I learned the song No Hopers Jokers and Rogues that plays as the titles roll.They also sing one called The Mermaid which I havent played here yet but have sung many times.
Ill do one of those 2 this week if the theme fits.