Akihito is in the production of compositions and arrangements, Shinichiro is in the production of lyrics and Daiki sometimes provide English lyrics in their single's B-side tracks.
ɐkɪhˈiːɾoʊ ɪz ɪnðə pɹədˈʌkʃən ʌv kˌɑːmpəzˈɪʃənz ænd ɚɹˈeɪndʒmənts, ʃˌaɪnɪkˈaɪɹoʊ ɪz ɪnðə pɹədˈʌkʃən ʌv lˈɪɹɪks ænd dˈeɪki sˈʌmtaɪmz pɹəvˈaɪd ˈɪŋɡlɪʃ lˈɪɹɪks ɪn ðɛɹ sˈɪŋɡəlz bˈiːsˈaɪd tɹˈæks.