The Twin Columns of Haazinu — Deuteronomy 32:1–43
הַאֲזִינוּ הַשָּׁמַיִם

What to look for
The Song of Moses set in two narrow parallel columns with a channel of blank space between — each poetic line split into balancing halves.
What it is
The second prescribed song layout in the Torah: Haazinu must be written in two columns, seventy lines, in every scroll.
Why it matters
The song calls heaven and earth as its two witnesses — and the page answers with two standing pillars of text.
How it has been understood
Tradition hears the columns as testimony that outlasts the singer: Moses will die within days of teaching this song, but the twin witnesses stand on the page in every generation. The balanced halves also train the ear for Hebrew poetry's heartbeat — statement and answer, line by line.
