High Quality Content by WIKIPEDIA articles! The ancient Hebrews perceived that there were poetical portions in their sacred texts, as shown by their entitling as songs or chants passages such as Exodus 15:1-19 and Numbers 21:17-20; a song or chant (shir) is, according to the primary meaning of the term, poetry. The question whether the poetical passages of the Old Testament show signs of regular rhythm or meter is yet unsolved.