Task: Explanation
Input (English): Wintersun is a Finnish heavy metal band from Helsinki originally formed as the sideproject of Jari Mäenpää, then vocalist and guitarist of folk metal band Ensiferum. In 2003, Mäenpää began pulling together songs that he had been working on since 1995. These songs followed specific themes described by Mäenpää as majestic, "spacy", and melodic. Wintersun is known for creative folk harmonies, fast tempos and both harsh and clean vocals. While Mäenpää planned to perform and record each instrument for the first album himself, he still required a drummer. He sent demos to Kai Hahto, former member of Rotten Sound, who agreed to perform the drums. Question: Time I is the second full-length album by the Finnish band from what city? Answer: Helsinki
Output (English): Wintersun is a Finnish heavy metal band from Helsinki originally formed as the sideproject of Jari Mäenpää, then vocalist and guitarist of folk metal band Ensiferum.