- Norah Jones
- Kostas Tournas
- Alec Benjamin
- Anna Vissi
- Ed Sheeran
- Giannis Poulopoulos
- Nikos Makropoulos
- Stefanos Korkolis
- Zemfira
- Jasmine Thompson
- Grigóris Bithikótsis
- Ben Howard
- Eva Cassidy
- George Ezra
- Monika
- Metaxas
- Boyce Avenue
- James Vincent McMorrow
- Tracy Chapman
- Dermot Kennedy
- Kostas Makedonas
- Haley Reinhart
- Secret Garden
- Sheryl Crow
- Paola
- Tanita Tikaram
- Nikos Vertis
- Lissie
- Dimitris Mitropanos
- Marinella
- Jaymes Young
- David Gray
- Dimitris Basis
- Daughter
- Loreena McKennitt
- Tori Amos
- Sufjan Stevens
- Andipas
- Nikos Zoidakis
- Calum Scott
- Jack Johnson
- Sleeping At Last
- Marina Satti
- Konstantina
- Giorgos Zampetas
- Eros Ramazzotti
- Amaryllis
- Glykeria
- Matt Simons
- Eleni Vitali
- Panos Kiamos
- Giannis Vardis
- James Bay
- Cat Stevens
- Madilyn
- Nikos Portokaloglou
- Bob Dylan
- Stamatis Gonidis
- Toto Cutugno
- Akvarium
- Eleni Tsaligopoulou
- Notis Sfakianakis
- Natasa Theodoridou
- Seal
- Vasilis Papakonstadinou
- Antonis Vardis
- Mina
- Onirama
- Hozier
- Dean Lewis
- Themis Adamantidis
- Joni Mitchell
- Passenger
- Giorgos Giannias
- Ray Charles
- Damien Rice
- Elena Vaenga
- LP
- Sara Bareilles
- Orfeas Peridis
- Jeff Buckley
- Mike Posner
- Vladimir Vysotsky
- Nana Mouskouri
- Stelios Rokkos
- Stratos Dionisiou
- The Pogues
- The Smash Giants
- Stelios Kazantzides
- Tom Walker
- George Dalaras
- Manolis Angelopoulos
- John Denver
- Paola
- Paul Simon
- Giorgos Margaritis