Ascension Groove", with psychedelic jam session act Shag. In the band he plays guitar, violin and percussion, while the music is avant-garde with concentration on rhythm. In April 2006, collaborated with trumpeter Toshinori Kondo and celebrated Earth Day by participating in three shows held on April 9, 22 and 23 at the Yoyogi Koen in Tokyo. He later had his first performance with Juno Reactor at the Tokyo Techno Festival, after starting talks with the band in 2005 about a possible collaboration. In April, he played at the Nagisa Music Festival with Shag. On June 29, 2007, Anime Expo convention in Long Beach, California, hosted the debut performance of S.K.I.N, a supergroup consisting of Sugizo, Yoshiki, Gackt, and Miyavi. In July, Juno Reactor performed as the White Stage's main act on the final day of the Fuji Rock Festival. On December 5, he released the remix album Spirituarise, in which artists from both Japan and overseas remixed his original tracks. On December 24, 2007, Luna Sea reunited for a one-night only concert at the Tokyo Dome. 2008–2009: Cosmoscape, joining X Japan On March 28 and 29, 2008, Sugizo played at X Japan's two reunion concerts as a stand-in along Wes Borland and Richard Fortus for the deceased hide. In April, he took part in Juno Reactor's European tour. On May 2, he reunited with Luna Sea again at the "hide memorial summit", a two-day concert in memory of hide, at the Ajinomoto Stadium. On July 23, Sugizo released a greatest hits compilation album titled Cosmoscape. The album featured various music genres, such as rock, trance, jazz, classic, bossa nova, among others, and spans his ten years of solo work. During the year, Sugizo wrote a song titled "Enola Gay", named after the Boeing B-29 bomber that dropped the atomic bomb on Hiroshima. He wrote the song to convey his feelings and thoughts toward the people who suffered from the aftermath of nuclear war, and to the cities of Hiroshima and Nagasaki. As well, that the bomb never must be dropped again, and as his live supporting drummer Greg Ellis is American, singer Origa Russian, and him Japanese, that people from former enemy states can be friends. In September joined Juno Reactor on the USA leg of their tour. On December 19, at the 1,500-seat Shibuya-AX concert hall, he held the solo concert "Rise to Cosmic Dance" playing songs from Cosmoscape,