ABBA × 2
Freddie Mercury × 2
George F. Root × 1
Win Mertens × 1
Regina Spekor × 1
Al Di Meola × 1
Sailor Moon × 1
Nguyen Duy × 1
Chen × 1
Josh Groban × 3
Enya × 1
Emilio Chamorro × 1
Jon English × 1
Alexis Jordan × 1
Israel Houghton × 1
Peter Cetera × 1
David Wise × 1
Elaine Deasy × 1
Harry Connick Jr. × 1
Real Book × 1
Oscar Carmona × 1
X Japan × 1
Charles Strouse × 1
Marcus R. Barnes × 1
John Murphy × 1
Johann Sebastian Bach × 1
Gundam Seed Destiny × 1
Jan Akkerman × 1
The Divine Comedy × 1
Francisco Tarrega × 1
Aretha Franklin × 1
Lara Fabian × 1
Martin Solveig × 1
Mild × 1
Jason Mraz × 1
Angel Villoldo × 1
Aaron Copland × 4
Sense & Sensibility × 1
Show Luo × 1
SNSD × 1
Clara Schumann × 1
Coldplay × 4
Arnold Wholer × 1
Zero no Tsukaima × 1
Paganini × 4
Creedence Clearwater Revival × 1
Irving Berlin × 1
Anthony Fedorov × 1
Casino Royale × 1
Stephen Schwartz × 1