YOU SAID:

I went to a party and heard a song that I will never forget

INTO JAPANESE

パーティーに行って、忘れられない歌を聞いた

BACK INTO ENGLISH

I went to a party and heard an unforgettable song

INTO JAPANESE

パーティーに行って忘れられない歌を聞いた

BACK INTO ENGLISH

I went to a party and heard an unforgettable song