Хотя было уже поздно, кто-то играл

Хотя было уже поздно, кто-то играл на пианино в столовой.
Они редко выходили куда-нибудь по воскресеньям.

Результаты (английский) 1:

Though it was already late, someone played the piano in the dining room. They rarely go anywhere on Sunday.

Результаты (английский) 2:

Although it was too late, someone was playing the piano in the dining room.
They rarely go anywhere on Sunday.

Результаты (английский) 3:

although it was late, and someone was playing the piano in the dining room.they rarely go out on sundays.