 Alongside with several new producers, Hamasaki and Avex Trax enlisted a wide range of musicians and composers to help with the album, including Tetsuya Komuro, John Mamann, AJ Junior, among others.The majority of the album's content was written by Hamasaki in English and Japanese.According to the lyric booklets that came with the physical formats of the album, the tracks "Feel the Love", "XOXO", and "Angel" are performed bilingually, while the remaining content apart from "Lelio" are recorded primarily in Japanese.