3. "...the time of the singing of the birds has come" MEANS THAT a recital was composed of songs and praises to the Holy One, blessed be He. This was not done before humankind was created, "...and the voice of the turtledove is heard in our land." This is the word of the Holy One, blessed be He, which did not exist in the world before humankind was created. But as soon as humankind appeared, everything appeared!