- Electric Light Orchestra
- Bon Jovi
- Damien Rice
- David Gray
- Damien Dempsey
- Moby
- Ian Rankin
- Mumford & Sons
- Leonard Cohen
- Billy Connolly
- Jack Kerouac
- The Frames
- Glen Hansard
- The Waterboys
- Nick Hornby
- The Dubliners
- Fun.
- Dermot Kennedy
- Sting
- Simon & Garfunkel
- Cyndi Lauper
- Dean Martin
- Boyce Avenue
- Gavin James
- Willie Nelson
- The Lumineers
- Ed Sheeran
- Kenny Rogers
- Abbi Glines
- Sarah McLachlan
- Birdy
- Van Morrison
- Van Morrison
- Rudimental
- George Ezra
- Jedward
- Tom Waits
- Katie O'Connor
- Mary Black
- Pixie Lott
- Joe Dolan
- Jason Mraz
- Passenger
- Neil Diamond
- Christy Moore
- Paul Simon
- The Pogues
- Dolly Parton
- Frank Sinatra
- Richard Flanagan
- Nina Simone
- John Denver
- Ellie Goulding
- Paolo Nutini
- Mike Posner
- Jeff Buckley
- Noah & The Whale
- Luke Kelly
- Sara Bareilles
- Chris de Burgh
- Mark Ambor
- Christina Perri
- Snow Patrol
- Coldplay
- Walking On Cars
- Mundy
- James Morrison
- Ryan Sheridan
- Johnny Cash
- Joni Mitchell
- Céline Dion
- Hozier
- Villagers
- Ben Howard
- James Vincent McMorrow
- Bob Dylan
- The Wolfe Tones
- Rod Stewart
- Hannah Grace
- Alanis Morissette
- Eva Cassidy
- James Bay
- Matt Cardle
- Ray LaMontagne
- The Saw Doctors
- Sinéad O'Connor
- Sharon Shannon
- The Corrs
- Of Monsters and Men
- Jack Johnson
- Bruce Springsteen
- John Connolly
- Paul Brady
- Thích Nhất Hạnh