YOU SAID:
It's not over until the day lady sings
INTO JAPANESE
それは女性が歌う日まで終わっていない
BACK INTO ENGLISH
It has not ended until the day the woman sings
INTO JAPANESE
それは、女性が歌う日まで終わっていない
BACK INTO ENGLISH
It has not ended until the day the woman sings
That didn't even make that much sense in English.