"The 3 Tenors"? Nothing to the Irish! Here's a good half-dozen to get you started.
It's also fair to say that the Irish use their tenors, often, in a more humorous setting the the Italians/Spanish.
Songs here that cross every threshhold of Irish popular song.
20 splendid tracks.
1) Sam Hughes: Are You Right There Michael
2) Josef Locke: She Moved Through the Fair
3) Leo McCaffrey: The Rose of Tralee
4) Sam Hughes: Phil the Fluter's Ball
5) Liam Devally: Hide & Go Seek
6) Peter Tomelty: Trottin' To the Fair
7) John McCormack: I'll Walk Beside You
8) Josef Locke: I'll Take You Home Again Kathleen
9) Sam Hughes: Will Ye Go Lassie Go
10) Leo McCaffrey: The Galway Shawl
11) Sam Hughes: The Blue Hills of Antrim
12) Josef Locke: Little Grey Home In the West
13) John McCormack: The Star of the County Down
14) Peter Tomelty: Come Back Paddy Reilly
15) Sam Hughes: The Green Glens of Antrim
16) Liam Devally: Down By the Lucan Dairy
17) Leo McCaffrey: The Bold Thaidy Quill
18) Sam Hughes: Oft In the Stilly Night
19) Josef Locke: The Old Bog Road
20) Leo McCaffrey: The Gentle Maiden