Castle (Chinese: 城堡) is the sixth studio album by Taiwanese singer Jolin Tsai (Chinese: 蔡依林). It was released on February 27, 2004, by Sony Music Taiwan. It has sold more than 2 million copies in Asia, with more than 300,000 copies sold in Taiwan alone, and made her the best-selling female singer of the year in Taiwan.[1][2] The second track, "It's Love", reached number 8 on the Hit FM Annual Top 100 Singles chart.[3] The opening track, "36 Tricks of Love", reached number 78 on the chart.[3] The album earned Tsai an MTV Asia Award nomination for Favorite Artist Taiwan.[4] The music video of the lead single, "Pirates", earned Tsai an MTV Video Music Award Japan nomination for Best Buzz Asia.[5]