The surgery was successful, with his surgical wound expected to take six weeks to heal, and for him to make a 90% recovery in six months. However, the recovery period for the pain in his hand is unknown. In July 2017, Yoshiki performed six concerts with X Japan. He also performed a series of seven Evening with Yoshiki dinner shows in Osaka, Nagoya, and Tokyo. In October 2017, Yoshiki completed a 10-country tour of Europe promoting the X Japan documentary We Are X. In 2018, Yoshiki released the song "Red Swan" featuring Hyde, as the opening theme of the third season of the Attack on Titan anime, reaching #1 on the iTunes rock charts in 10 countries. In September, it was announced that Yoshiki would feature on Sarah Brightman's album Hymn, with a newly recorded version of his composition "Miracle". The digital single version of "Miracle" hit the top 10 on classical charts in 15 countries, and Yoshiki was announced as a guest performer on Sarah Brightman's Hymn World Tour in 2019 in selected cities in the US and Japan. On New Year's Eve in 2018, he performed in the traditional TV show, Kouhaku Uta Gassen, where, for the first time in the show's history, he was a member of both the Red and the White teams, teaming up with Hyde for a performance of Red Swan and then joining Brightman for Miracle. In January 2019, it was announced that Yoshiki will partner with The H Collective to compose the score and theme song for the fourth installment of Vin Diesel's xXx film series and create the theme for the animated feature film Spycies. In February 2019, Yoshiki appeared as the featured pianist on Hyde's single "Zipang", and in March 2019, New York-area PBS station WNET Thirteen premiered a one-hour version of his 2017 Carnegie Hall concert. The Yoshiki: Live at Carnegie Hall special began airing on PBS stations nationwide in November. In November 2019, YouTube Originals announced the documentary series Yoshiki - Life Of A Japanese Rock Star would premiere on the streaming platform in March 2020. In December 2019, Yoshiki appeared on stage with Kiss during their End of the Road World Tour, playing piano for "Beth" and drums for "Rock and Roll All Nite" at Tokyo Dome and Kyocera Dome Osaka. They later collaborated for a televised New Year's Eve performance of "Rock and Roll All Nite"