Skill Builder: Knocking On Heavens Door Easy Strum View course details About This Course Level: Beginner Learn a four chord progression with a simple strum. This is a common progression found in many songs. This is the same progression used in the tune Knockin’ of Heavens’s Door. Difficulty: Level 1 Knocking on Heavens Door Easy 4-Chord Strum Exercise Knocking on Heavens Door Easy Chord Strum Exercise Course Information Difficulty: Level 1 Tracks: Beginner Track Categories: 00 Beginner Basics, 01 Beginner, 08 The Song Library Tags: Bob Dylan, Heaven, Knocking on Heaven's Door