Rashi on Isaiah
The desert and its cities shall raise [their voice] their voice in song.
Ibn Ezra on Isaiah
The plain and the cities thereof shall lift up their voice,18A. V., Let the wilderness and the cities thereof lift up their voice. etc.
Rashi on Isaiah
Kedar shall be inhabited with villages (Connected to “The desert...shall raise.” The desert of Kedar, where they now dwell in tents, shall raise their voice and sing. It is like: And the villages with which Kedar is settled.) The desert of Kedar, where they now dwell in tents, will be permanent cities and villages.