Yūne Sugihara (Japanese: 杉原有音, Hepburn: Sugihara Yūne), born Yasuhiro Sugihara (杉原 康弘) and better known by his stage name Sugizo, is a Japanese musician, singer-songwriter, composer and record producer. He is best known as the lead guitarist and violinist of the rock band Luna Sea since 1989. In addition to being known for experimenting with many musical genres, mostly rock, psychedelic and electronica, he is known for his political views and for being an anti-war, anti-nuclear and environmental activist.