Midrash su Isaia 44:23

Alternatively, "These days were formed, but not one from them" [Psalms 139:16] is refering to Yom Kippur for (the nation of) Israel. {continuing}

Variantly: Just as a bound flask stands, neither emitting nor admitting, so, the spirits of the Egyptians were bound up within them, neither emitting nor admitting, faint from the smell of the sea, viz. (Job 41:23) "He bubbles up the sea like a pot, etc." And to Israel, the sea was like a bed of spices, viz. (Ibid.) "He makes the sea like a spice-bed." (Song of Songs 4:16) "Awake, O north wind, and come, O south, blow over my garden that its spices may flow." (Exodus, Ibid.) "The depths were congealed ("kafu") in the heart of the sea, etc." He made them like a kippah (a dome) in the midst of the sea. How so? A man's heart consists of two chambers and its arch. Thus did He arch the sea over them. The sea has no heart, and He gave it a heart. A terebinth has no heart, and He gave it a heart, viz. (II Samuel 18:4) "He (Avshalom) was yet alive in the heart of the terebinth." The heavens have no heart, and He gave them a heart, viz. (Devarim 4:11) "And the mountain (Sinai) burned with fire until the heart of heaven." Let the sea come, which had no heart and was given a heart, and exact payment of the Egyptians, who had a heart and subjugated Israel with all kinds of ("heartless") torments, viz. (Exodus 1:13) "And Egypt subjected the children of Israel to grueling toil." Let the terebinth come, which had no heart and was given a heart and exact punishment of Avshalom, who had a heart and "stole" three hearts — the heart of his father, the heart of beth-din, and the heart of Israel, viz. (II Samuel 15:6) ("And Avshalom did this) … and Avshalom stole the heart of the men of Israel." Let the heavens come, which have no heart and were given a heart, and drop manna like dew upon Israel, who had a heart and accepted the Torah and served the L rd with all their hearts and all their souls, viz. (Devarim 6:3) "And you shall love the L rd your G d with all of your heart and all of your soul, etc." And not the heavens alone rejoiced in the redemption of Israel, but also the mountains and all of the hills, the fruit trees and all of the cedars, viz. (Isaiah 44:23) "Sing, O heavens, for the L rd has wrought! Shout, O depths of the earth. Mountains, break out in song, forest and all that is in it. For the L rd has redeemed Yaakov", and (Ibid. 49:13) "Sing, O heavens and rejoice, O earth — Break out in song! For the L rd has consoled His people, etc."

But in the end, the peoples will praise Israel (for the fulfillment of their faith in the L-rd), viz.: "The nations will praise His people." And whence (do we derive the same for) heaven and earth? From (Isaiah 44:23) "Sing, O heavens, for the L-rd has wrought; shout (for joy), foundations of the earth!" And whence, mountains and hills? From (Ibid. 55:12) "The mountains and hills will break out in song before You, and all the trees of the field will clap hands." And whence, the (fore-) fathers and mothers? From (Ibid. 42:11) "The dwellers of the rock will sing; from the peaks of the mountains will they shout."