In July NUMBER@1 , PERSON@1 released his first single called `` PERSON@2 ni sasageru Boku no Uta '' and this song was composed by PERSON@3 .

PERSON@4 began his solo career in NUMBER@1 , although his first single `` PERSON@2 ni sasageru Boku no Uta '' was released as this song was composed by PERSON@3 .
