Triangle

Triangle (トライアングル, Toraianguru) was a Japanese pop group that formed and debuted in the late 1970s. They released their first single, "Triangle Love Letter" in mid 1978, and their last single, "Koi wa Tekkiri Ba-Bi-Bu-Be-Bo" in 1980. The group only released two albums, Triangle Love Letter and Sanjūsō / Triangle 2 in 1978 and 1979 respectively. Sony Music Entertainment Japan released Triangle Single Collection in 2008.