On March 11, 2016, he again participated in the free of charge Peace on Earth event, then appeared on Kazumi Watanabe's "Guitar is Beautiful KW45" 45th anniversary album with the tracks "Round Midnight" and "Island Hop". In April, he performed at Earth Day Tokyo, In June, he held a solo concert with fellow Luna Sea member Inoran, titled Sugizo vs Inoran Presents Best Bout. In August, a cover of "Life on Mars?" was released as a digital single in tribute to David Bowie. It was followed up by "Lux Aeterna" in September and "Raummusik" in October. X Japan headlined all three nights of the Visual Japan Summit on October 14–16, 2016 at Makuhari Messe. As a celebration of the 20th anniversary of his solo debut, Sugizo set out on a national tour, with his new album, "Oto" released in November. At the end of December, he performed with Luna Sea at Saitama Super Arena for a two-day concert.