Triangle (officially released and stylized as the symbol ⊿, pronounced Triangle (トライアングル)) is the second original studio album (third overall) by the Japanese girl group Perfume. Released on July 8, 2009, by Tokuma Japan Communications, the album marked an important milestone in Perfume’s evolution, showcasing a blend of electronic, dance, and pop genres. With elements of techno, house, disco, and synth-pop, Triangle received mostly positive reviews from critics, who commended Perfume and Nakata for broadening their sonic evolution, although some took issue with the vocal processing. The album features several notable singles, including "love the world," "Dream Fighter," and "One Read more on Last.fm.
