- Beirut
- Eilen Jewell
- JJ Heller
- Ray LaMontagne
- Cara Dillon
- Sanam Marvi
- Darling West
- Andy McKee
- Arlo Guthrie
- Goldfrapp
- Teddy Thompson
- Sting
- Indigo Girls
- a balladeer
- Tracy Chapman
- Julia Stone
- Wallners
- Katy Perry
- Christy Moore
- Bruce Springsteen
- Shawn Colvin
- The Pogues
- Passenger
- Angus & Julia Stone
- Joan Baez
- Mindy Smith
- John Denver
- John Prine
- Jack Savoretti
- Amanda Shires
- Jon Henrik Fjällgren
- Gabrielle Aplin
- Finn Kalvik
- Stephen Sanchez
- Emilíana Torrini
- Greg Holden
- Great Lake Swimmers
- Peter Hollens
- Sarah McLachlan
- Sheryl Crow
- Natalie Merchant
- Baddiel, Skinner & The Lightning Seeds
- Mike Posner
- Ivan & Alyosha
- Buffy Sainte-Marie
- Damien Rice
- Paddy Reilly
- Ellen Sundberg
- Vicente Amigo
- Michael Grimm
- Clara Mae
- Sam Fender
- Roy Book Binder
- Sarah Jarosz
- The Rails
- Rae Morris
- Gåte
- Cat Stevens
- Freya Ridings
- George Ezra
- Ryan Sheridan
- The Dubliners
- Dermot Kennedy
- Declan O'Rourke
- Lhasa de Sela
- Tom Odell
- Lera Lynn
- Neil Young
- Brandi Carlile
- Billy Bragg
- Eddi Reader
- The Civil Wars
- Benjamin Francis Leftwich
- Frazey Ford
- Silver Lining
- Norah Jones
- Hudson Taylor
- Stevie McCrorie
- Paolo Conte
- Ed Sheeran
- Hozier
- Joni Mitchell
- Ben Howard
- Jamie Lawson
- A Fine Frenzy
- Eva Cassidy
- Per Gessle
- Liz Phair
- G.E.M.
- Leonard Cohen
- Laleh
- Roo Panes
- Brian Fallon