Shir ha-Shirim XII: Part Two: At Sinai: Sefirah 7
“Let Him kiss me with the kisses of His mouth.” Where was this said? Rabbi Chinena bar Pappa said: It was said at the Red Sea, as it is written, “To a steed in Pharaoh’s chariots (Song of Songs 1:90).” Rabbi Yudah bar Rabbi Simon said: It was said at Sinai, as it says, “The Song of Songs – Shirim,” that is, the song which was uttered by the chanting singers – Sharim, as it says, “The singers – Sharim – go before, the minstrels follow after (Psalms 68:26).” (Shir HaShirim Rabbah 1.2:1, part one)
Rabbi Yudah sees our Song of Torah as the song of the Angels during Revelation. In order to achieve the intimacy with God made possible through Torah Study, we must sing its words as if we are experiencing Revelation.