 This album included the theme of Joey's second solo concert and first solo concert series, ~H2O+ Solemn on Stage Live 2001.The concert theme, also the main track for this album, was originally called "Explosive Queen", as the concert was originally called "Explode the Hong Kong Coliseum Live".The concert name was then changed to its actual name after 11 September attack, thus also changing the name of the song.