 " Taboo " is an R & B song that borrows influences from numerous genres including hip @-@ hop , Japanese pop , and dance @-@ pop . Tetsuo Hiraga from Hot Express noted elements of 80s pop and disco music . Koda 's vocals are heavily processed through vocoder pyrotechnics , and are delivered during the chorus and parts of the bridge section . The lyrics to " Taboo " emphasize the term with the same name , discussing taboo nature and exploring it . Regarding homosexuality , Koda commented to Oricon ; " Instead of trying stuff out and experiencing it , we put up a ' No ' sign , we never try to break the taboos " and " Sometimes we shouldn 't retreat into safety , we should have courage to do things . Those are the feelings kin the song . " In terms of musical depth and lyrical diversity , Koda found that " Taboo " was one of her most " widen " tracks throughout her entire music career . 
