YOU SAID:

When I started singing, all my neighbours fell dead.

INTO JAPANESE

私が歌い始めたとき、私の隣人は皆死んでしまいました。

BACK INTO ENGLISH

When I started singing, all my neighbors died.

INTO JAPANESE

私が歌い始めたとき、私の隣人は皆死にました。

BACK INTO ENGLISH

All my neighbors died when I started singing.

INTO JAPANESE

私が歌い始めたとき、私の隣人は皆死にました。

BACK INTO ENGLISH

All my neighbors died when I started singing.