Numbers 21:17

17Then Israel sang
After the adverb “then” the prefixed conjugation has the preterite force. For the archaic constructions, see D. N. Freedman, “Archaic Forms in Early Hebrew Poetry,” ZAW 72 (1960): 101-7. The poem shows all the marks of being ancient.
this song:

“Spring up, O well, sing to it!
Copyright information for NETfull