This document provides commentary on Psalm 129 from multiple authors. It begins with an introduction explaining the purpose is to bring together comments from different authors to aid Bible study. Several commentators are then quoted discussing themes in the Psalm such as God subjecting his church to troubles to prove himself as defender, and the idea that God's people have faced persecution throughout history but have always been preserved. The commentators provide historical context and interpretations regarding the oppression of Israel from its earliest origins.