US5 was a multinational pop boy band formed in 2005 through the German television reality show "Big in America" on RTL II. The group debuted in June 2005 under Lou Pearlman's Transcontinental label and achieved commercial success primarily in Central Europe, particularly with their debut album "Here We Go" and subsequent releases. The band's debut single "Maria", released in 2005, reached number one in Germany and became a successful single in several European countries. Read more on Last.fm