- Ruth B.
- Hüsnü Şenlendirici
- Mandy Moore
- Ziad Bourji
- Vicente Amigo
- Nasheeds
- Secret Garden
- The Royal Scots Dragoon Guards
- Frances
- Sami Yusuf
- Ben Howard
- Tyler Smith
- JP Cooper
- Breaking the Boundaries
- Eva Cassidy
- شيلات يمنية
- Noel Cabangon
- Sara Bareilles
- Tracy Chapman
- David Bromberg
- Johnny Cash
- Lea Salonga
- Peter, Paul & Mary
- Dermot Kennedy
- Boyce Avenue
- Ahmed Alshaiba
- Alremmas
- Zain Bhikha
- Freya Ridings
- Amy Sky
- مشاري راشد
- James Bay
- Cat Stevens
- Bob Dylan
- Bob Dylan
- Matt Nathanson
- Brandi Carlile
- Sharon Cuneta
- Sam Concepcion
- Stephen Sanchez
- Jaymes Young
- Abu Baker Salim
- Norah Jones
- Eros Ramazzotti
- Carole King
- David Gray
- Moira Dela Torre
- Mary Hopkin
- Dean Lewis
- Merab Amzoevi
- أحمد خضر الطرابلسي
- The Macarons Project
- Daughter
- Sufjan Stevens
- Daniela Andrade
- Damien Rice
- Gabrielle Aplin
- Simon & Garfunkel
- Natalie Taylor
- Agnee
- Passenger
- Simons
- Tyrone & Elina
- Mark Knopfler
- Hozier
- Matt Wertz
- Paul Weller
- Leonard Cohen
- Tyrone Wells
- Joni Mitchell
- James Taylor
- FINNEAS
- Manuel Rocha
- Tom Odell
- Jamie Lawson
- Kurt Hugo Schneider
- George Ezra
- Kina Grannis
- Karylle
- Luigi Del Duca
- Shelat
- Freddie Aguilar
- Deepika Padukone
- Mike Posner
- Tom Walker
- Ed Sheeran
- Mahalia
- Joan Baez
- The Civil Wars
- Ben Rector
- Jasmine Thompson
- Clannad
- Nathaniel Rateliff
- Muad
- Disneyland Children's Sing-Along Chorus
- Yusuf Islam
- Carly Simon
- Nick Drake
- Alec Benjamin
- Colbie Caillat