Stephen Sondheim × 4
Backstreet Boys × 1
Santana × 1
M. Francisco, SJ × 1
Jarvis Cocker × 1
Within Temptation × 2
George Michael × 1
Borodin × 1
Arthur Hartmann × 1
The Police × 1
Albert W Ketelbey × 1
Danny Elfman × 1
ZUN × 1
Akira Senju × 1
Jo Privat × 1
Lou Reed × 1
Eric Clapton × 1
Rihanna × 1
Emilio Chamorro × 1
Jamiroquai × 1
Haydn × 1
Josh Groban × 2
J.Susa × 1
William M. Golden × 1
Porcupine Tree × 1
Javad Maroufi × 1
Wiliam Murphy × 1
Avril Lavigne × 1
Andrew Lloyd Webber × 2
Zucchero Fornaciari × 1
Jay Chattaway × 1
Enrique Iglesias × 1
Hitomi Kuroishi × 1
Wicked × 2
Oscar Carmona × 1
Freddie Mercury × 1
Nicola matteis × 1
Bryan Adams × 2
billy cobham × 1
Felix Mendelssohn Bartholdy × 1
Duke Ellington × 1
Albert Hammond × 1
The Dresden Dolls × 1
Erik Satie × 2
fats waller × 2
Clara Schumann × 1
Michael Krug × 1
Roy Eldridge × 1
Win Mertens × 1
Lady Gaga × 4