天空之城
During their hiatus, Mayday released the autobiographical documentary titled "The Wings of Dream" () as well as an accompanying movie soundtrack, with ticket sales hitting more than NT1.2 million in barely three days. On 16 August 2003, Mayday held their "Castle in the Sky" concert at the Taipei Municipal Stadium, attracting over 40,000 fans. This officially marked their return to the music scene.