On March 14, 2014, at the South by Southwest festival in Austin, Texas, Yoshiki performed a duet piano piece during his concert at the Qui Restaurant; one part played by him, and the other played by a hologram of himself. On April 25, Yoshiki started his first classical world tour in Costa Mesa, California, and continued throughout the world, visiting San Francisco, Mexico City, Moscow, Berlin, Paris, London, Shanghai, Beijing, Bangkok, Taipei, Tokyo and Osaka. The tour setup featured Yoshiki on piano, several strings as cellos and viola, and vocalist Katie Fitzgerald from Violet UK. Performances included classical versions of songs he composed, as well depending on the venue, some famous composers like Tchaikovsky. For an upcoming Japanese 3D CG animated film "", Yoshiki contributed theme song "Hero" and it was unveiled on the tour. In October 2014, Yoshiki performed a concert at Madison Square Garden with X Japan. It was the group's largest U.S. headlining performance. In November 2014, Yoshiki debuted the official Hello Kitty theme song, "Hello Hello", at the first Hello Kitty Con. He was the guest of honor at Stan Lee's Comikaze Expo.