John Gills Exposition of the Bible Commentary - Job 30:31
My harp also is turned to mourning ,.... Which he used, as David, either in religious worship, expressing praise to God thereby, or for his recreation in an innocent way; but now it was laid aside, and, instead of it, nothing was heard from him, or in his house, but the voice of mourning: and my organ into the voice of them that weep ; another instrument of music, which had its name from the pleasantness of its sound, and was of early use, being first invented by Jubal, Genesis 4:21 ... read more
Matthew Henry's Complete Commentary - Job 30:15-31
In this second part of Job's complaint, which is very bitter, and has a great many sorrowful accents in it, we may observe a great deal that he complains of and some little that he comforts himself with. I. Here is much that he complains of. 1. In general, it was a day of great affliction and sorrow. (1.) Affliction seized him, and surprised him. It seized him (Job 30:16): The days of affliction have taken hold upon me, have caught me (so some); they have arrested me, as the bailiff arrests... read more