Play Knockin' on Heaven's Door

"Knockin' on Heaven's Door" uses exactly the four chords from the "Your First Open Chords" tutorial — G, D, Am, and C — making it a natural second full song once "A Horse With No Name" feels comfortable. The whole song repeats a single short progression, which makes it an efficient way to drill chord changes in a musical context rather than as an isolated exercise.

What you'll need

• G, D, Am, and C chords (see "Your First Open Chords")
• A basic down-up strumming pattern (see "Basic Strumming Patterns")

Steps

1. Learn the core progression: G - D - Am - Am. Play G for two beats, D for two beats, then Am held for a full four beats (a full measure). This is the first half of the repeating pattern used throughout the verses.

2. Learn the second half: G - D - C - C. Same rhythm as the first half — G for two beats, D for two beats, C held for four beats — but resolving to C instead of Am. Together, these two halves form the complete recurring progression for both verse and chorus.

3. Practice the full 8-measure loop slowly, without worrying about lyrics yet: G-D-Am-Am, G-D-C-C, repeated. Because the chorus uses the exact same progression as the verse, once this loop is solid you've essentially learned the whole song's harmonic structure.

4. Use a simple, steady strumming pattern, since the song's feel comes more from consistent rhythm than a flashy strum pattern. A basic down-down-up-up-down-up pattern, or even just steady quarter-note downstrokes, works well and keeps your focus on landing the chord changes cleanly on beat 1 of each new chord.

5. Practice changing into Am and C precisely on beat 1. Because both of those chords get held for a full measure, arriving late throws off the whole phrase. Isolate just the D-to-Am and D-to-C transitions and drill them with a metronome until the change consistently lands exactly on the downbeat.

6. Sing (or hum) along once the chords feel automatic. The lyrics have a simple, repetitive phrasing that lines up naturally with the chord changes — adding your voice, even quietly, helps confirm your rhythm is solid, since it's much harder to sing off-time than to strum off-time without noticing.