A line from the song states "She's been dead since 1929".

She's been dead since late last night or early this morning.

He had also been dead since the early eighteenth century.

Despite reports to the contrary, he has been dead since 1977.

I have been in bed with the dead since 1450.

The old man's been dead since the turn of the year.

Did someone just say he's been dead since 1937?

He had been dead for several days, probably since the night of the fire.

He found an elk that had been dead since last fall.

I went over there and he had been dead since last night.