"The song of songs, which is Solomon's"
Rabbi Elazar expounds upon the title verse, explaining that after God created heaven and earth and the divisions of day and night, He created angels to sing praises by day, and angels to sing praises at night. The angels that sing by day are on the right side, while the angels that sing by night are on the left side. The angels of the night include all three Columns, and they are above all the other singers. When they listen to the songs of the children of Yisrael by day, they gain knowledge and understanding of matters that they were unable to grasp previously. Heaven and earth, signifying the Male and the Female, also gain strength through this singing. Rabbi Nechemyah then explains that he who achieves knowledge of the celestial singing will also merit profound knowledge of the Torah and Wisdom, through which he will learn what was and what will be. It was in this way that both David and Solomon gained knowledge. Indeed, through that song, Solomon was able to penetrate the essence of Wisdom and he then composed many proverbs and wrote a book that he called "The Song of Songs."
Rabbi Elazar then explains that the supernal singers began to sing at Levi's birth; however their singing was not perfected until after Moses was born, Aaron was anointed, and the Levites became sanctified. Because the actions of the lower beings complete the supernal ones, when the singing of below issued from the tribes of Levi, all were sanctified above and below and the worlds became one, with one King dwelling over them.
We learn that the singers of below are called Levites because they are joined to and united with the singers above. Also, the seed of Levi is joined to the Shechinah through Moses, Aaron, and Miriam. Before the birth of these three figures, the supernal singers could not perform their function.
We are also told that Levi's descendant Amram was called this because the mightiest nation descended from him. However, his name is not mentioned because he secretly left his wife and later returned to her. When this happened, God rebuked the heavenly singers and they ceased their song until God extended His right hand to Amram.
Melodies that sing out in heartbreakingly beautiful chords from the distant heavens are heard all over the world as we read these stirring verses of Zohar. Each passage of this Book of Splendor is supernal sheet music; each letter, a divine musical note expressing bliss and happiness in a song that will never end. This is the song of the soul. The aching sounds of children crying, men wailing, and women sobbing forever cease as the music of the spheres fills our being with a joy that defies all forms of language. Supernal wisdom permeates all existence, settling upon our souls like petals made of Light. Judgments are removed from this earthly plane. Day and Night meld into one, creating an eternal moment of Light.