is a Japanese rock band, formed in 1973 by five musicians in Asahikawa, Hokkaidō, Japan. It debuted in 1982 in Tokyo, Japan. They became one of Japan's most successful rock bands in the 1980s. Members - Vocals, Guitars & Percussion (1973–present) - Guitars (1973–present) - Guitars (1977–present) Bass, Piano & Keyboards (1977–present) Past members - Guitars, Keyboards (1973–1981) - Bass (1973–1978) - Drums (1973–1977) - Drums (1977–1982) - Drums (1977–1978, 1982–died 2022) History 1970s: Beginnings Formed in 1973 as the high-school garage band Invader in Asahikawa, Hokkaidō, its original members included vocalist Koji Tamaki, guitarist Yutaka Takezawa and guitarist/keyboardist Toshiya Takezawa, who is also Yutaka's brother. Later, in late 1973, Koji's brother and drummer, Kazuyoshi Tamaki and bassist Takahiro Miyashita joined. In 1977, the band changed its name to Anzen Chitai ("Safety Zone"), and Kazuyoshi Tamaki left the group to be replaced by Ichiji Ohira. By December 1977, Anzen Chitai merged with another band, the , and added three more members: bassist Haruyoshi Rokudo, guitarist Wataru Yahagi, and drummer Yuji Tanaka. By this point, they had expanded to an eight-member group. Within the next three years, Toshiya Takezawa and Takahiro Miyashita left. Yuji Tanaka also left at this point. 1980s: Commercial success In 1981, they began work as a backup band for singer-songwriter Yōsui Inoue, and released their debut single, under the Kitty Records in February 1982. However, the final personnel change occurred as Ichiji Ohira left, and Yuji Tanaka returned in his place, establishing the current lineup. Under the guidance of their producer and co-arranger , lead guitarist and vocalist of the psychedelic rock group The Mops, the band continued to refine their craft in the studio. Their status as a backup band soon changed: in 1984, reached No. 1 on the Oricon charts, to be followed by among others, "Kanashimi ni Sayonara" (悲しみにさよなら) and "Suki Sa" (好きさ) (featured on the popular Rumiko Takahashi anime series Maison Ikkoku). "Wine Red no Kokoro" was composed by Koji Tamaki with lyrics by Yōsui Inoue. Koji Tamaki was credited as the sole composer in virtually all of Anzen Chitai's music, with Gorō Matsui being the lyricist frequently. Their popularity in the 1980s culminated in a five-day soldout concert tour at the Nippon Budokan in 1987, which had a total attendance of 60,000. 1990s and 2000s: Frequent hiatuses Despite a couple of hiatuses for the sake of solo careers (July 1988-March 1990, 1993–2001),