Let It Go (Disney song) has received more than 1.6 billion views on YouTube , and is one of the site's 50 most-viewed videos. Besides the original English version, Disney Character Voices International arranged for "Frozen" to be dubbed into another 47 languages and dialects worldwide. A major challenge was to find sopranos capable of matching Menzel's warm vocal tone and vocal range in their native languages. Rick Dempsey, senior executive at Disney Character Voices International regarded the process as "exceptionally challenging", explaining, "It's a difficult juggling act to get the right intent of the lyrics and also have it match rhythmically to the music.
Let It Go! over 41,500 copies in Japan. "Let It Go!" was written by Kaji Katsura, Choi Minhwan and Lee Hongki and composed by Corin and Choi Jong-hoon. "Dream Sky" was written and composed by Song Seunghyun, with additional composition by Choi Minhwan. "Someday" was written and composed by Lee Jaejin. "Let It Go!" was released on July 27, 2011, in three editions: CD and DVD Type A which included footage from two release events of their fourth single "Satisfaction" and one release event of their second Japanese studio album "Five Treasure Island", CD and DVD Type B which included the music video