Fio Zanotti
(producer)
Artist: Celentano, Grignani

Chris Manning
(Producer, Engineer)
Artist: Metallica, Santana, Ligabue, Paol Simoni

Marco Borsatti
(Engineer)
Artist: Vasco, Ramazzotti, Pausini, Bocelli

David  Frazer
(engineer, producer)
Artist: Aretha Franklin, Mick Jagger

Corrado Rustici
(Producer)
Artist: Elisa, Ligabue, Zucchero, Negramaro

Rodolfo Foffo Bianchi
(Producer & Sound Engineer)
Artists: Elio e le Storie Tese, Ligabue

Saro Cosentino
(producer)
Artist: Battiato, Alice, Peter Gabriel

Mirco Limoni
(producer, artist)
Artist: Black Box

Francesco Luzzi
(Engineer)
Artist: Raf, Morandi, Nek

Alessandro Magri
(Jazz player, sound engineer, writer)

Danilo Vigorito
(Dj and producer)

Luca De Gregorio
(engineer and producer)

Marco Camasso
(engineer and producer)