Tiziano Ferro

Tullio Ferro, Vasco Rossi

Michele Iorfida, Fortunato Zampaglione

Roberto Casalino, Dario Faini, Federico Leonardo Lucia

Noel Zancanella, Ryan Tedder

Giorgio Tuinfort, Lindy Robbins, Samuel Denison Martin, Jason Gregory Evigan, David Guetta

Andrew Hozier-Byrne

Jesse Shatkin, Sia Furler

Luciano Ligabue

Phoebe Killdeer, Cedric Le Roux, Craig John Walker

Adam Levine, Benny Blanco, Shellback

Salem Lars Al Fakir, Tim Bergling, Vincent Fred Pontare, Robert Peter Williams

Amy Wadge, Ed Sheeran

Kevin Kadish, Meghan Trainor

Noel Gallagher

C. Yarbrough, E. Frederic, G. Saporta, J. Ryan, N. Cook

Sergio Endrigo, Luis Enriquez, Sergio Bardotti

Benjamin Cotto, Nili Hadida

Alexander Hernandez Delgado, Descemer Bueno, Enrique Iglesias, Randy Martinez Malcom

Chris Martin, Guy Berryman, Jon Buckland, Will Champion

James Napier, Sam Smith

Adam Clayton, Dave Evans, Larry Mullen, Paul Hewson

Giovanni Pellino, Alessandro Aleotti

Cleo Tighe, Grace Chatto, Jack Patterson, Janee, Jess Glynne, Richard Boardman, Robert Harvey, Sarah Blanchard

Christian Rigano, Lorenzo Cherubini, Riccardo Onori, Saturnino Celani

Ben McKee, Daniel Platzman, Dan Reynolds, Wayne Sermon

Francesco Silvestre

Biagio Antonacci

Jamie Hartman, Marlon Roudette

Carmen Consoli

Aaron Sharp, Alexander Jackson, Chondrak Lerdamornpong, Greg Erwin

Luciano Ligabue

Tiziano Ferro

Julian C. Bunetta, Jamie Scott Baylin, John Henry Ryan, Niall James Horan, Zayn Javadd Malik, Liam James Payne, Harry Edward Styles, Louis William Tomlinson

Jesiah Dzwonek, Graham Sierota, Sydney Sierota, Noah Sierota, Jamie Sierota, Jeffery Sierota

Gianluca Grignani

Max Martin, Shellback, Taylor Swift

Jeffrey Bhasker, Devon Christopher Gallaspy, Peter Gene Hernandez, Philip Martin Lawrence II, Bruno Mars, Mark Ronson, Lonnie Lee Simpson, Rudy Taylor, Nicholaus Joseph Williams, Charles Wilson, Robert Lynn Wilson, Ronnie James Wilson

Cesare Cremonini, Davide Petrella

Alessio Bernabei, Lorenzo Cantarini, Francesco Pierozzi, Alessandro Presti, Riccardo Ruiu

Xavier Peter Rudd

Fabi Silvestri Gazzè, Daniele Silvestri, Niccolò Fabi

Giorgia, Andreas Romdhane, Josef Larossi, Viktoria Hansen

Abel Tesfaye, Ahmad Balshe, Ali Payami, Max Martin, Peter Svensson, Savan Kotecha

Max Pezzali

Rebecca Hill, Uzoechi Emenike

Hubert Tubbs, Raphaël Glatz, Patrice Duthoo, Jean-Louis Palumbo

Phil Bentley, Jamie Hartman, Shelly Pelken

Adam Messinger, Alex Tanas, Ben Spivak, Mark Pellizzer, Nasri Atweh

Lenny Kravitz, Craig David Ross