Time Composer、Guo Gan
Guo Gan、Fabio Turchetti、Alberto Venturini
郎朗、Guo Gan、Royal Philharmonic Orchestra、Robert Ziegler
Guo Gan、Huong Thanh、Fumie Hihara
Sami Yusuf、Asad Khan、Guo Gan
Sami Yusuf、Guo Gan、Shirzad Fataliyev、Asad Khan
Jozéfinn'、Guo Gan
Hesam Inanlou、Guo Gan
Julia Malischnig、Guo Gan