YOU SAID:
If you write a song who writes you
INTO JAPANESE
あなたが書く人の曲を書くと
BACK INTO ENGLISH
When you write the song of the person you write
INTO JAPANESE
あなたが書く人の歌を書くとき
BACK INTO ENGLISH
When writing the song of the person you write
INTO JAPANESE
あなたが書いた人の歌を書くとき
BACK INTO ENGLISH
When writing a song of a person you wrote
INTO JAPANESE
あなたが書いた人の曲を書くとき
BACK INTO ENGLISH
When writing a song of a person you wrote
That didn't even make that much sense in English.