“Knocking on Heaven’s Door” is one of those songs every guitarist should have in their back pocket. Bob Dylan wrote it, Guns N’ Roses made it a rock anthem, and the good news? It’s dead simple to play. Just four chords and a repeating pattern that’ll have you sounding like a pro in no time.

The Four Chords You Need

This song uses G, D, Am, and C. If you already know your basic guitar chords, you’re ready to go.


G Chord - Guitar Chord DiagramGuitar chord diagram showing how to play G chord in position starting at fret 320003 with 5 muted strings.G320003210003

D Chord - Guitar Chord DiagramGuitar chord diagram showing how to play D chord in open position with 5 muted strings.D

Am Chord - Guitar Chord DiagramGuitar chord diagram showing how to play Am chord in open position with 5 muted strings.Am

C Chord - Guitar Chord DiagramGuitar chord diagram showing how to play C chord in open position with 5 muted strings.C

Nothing fancy here. These are the same open chords you probably learned in your first week of playing. The magic is in how you put them together.

How the Song Structure Works

Here’s where it gets interesting. The whole song is built on two alternating two-bar phrases:

Phrase 1: G – D – Am
Phrase 2: G – D – C

That’s it. These two phrases just keep alternating through the entire song—verses, chorus, everything. Once you’ve got these down, you know the whole tune.

The timing breaks down like this:

  • G gets half a bar (2 beats)
  • D gets half a bar (2 beats)
  • Am or C gets a full bar (4 beats)

So you’re playing G and D quicker, then sitting on that Am or C a bit longer before cycling back around.

The Strumming Pattern

For the strum, count it as: 1, 2-and, 3, 4-and.

Keep it relaxed. This isn’t a song where you want to attack the strings. Think mellow, steady, almost hypnotic. Dylan wrote it for a movie soundtrack about Billy the Kid, so picture a dusty sunset and let your strumming match that vibe.

If you’re just starting out, even a simple down-down-down-down on each beat works fine. Get comfortable with the chord changes first, then add the rhythmic flavor.

The Walkdown Riff That Makes It Sound Pro

Alright, here’s a little something extra that’ll make your version stand out. On the second phrase—the one that ends on C—you can add a walkdown riff instead of just strumming that C chord for a full bar.

The notes are: C – B – A – G

You’re walking down from the C note to the G, which sets you up perfectly to loop back to the G chord. The timing is: play C on beats 1-2-3, then walk down on beat 4-and-1 to land on G.

On your guitar, that’s:

  • C (3rd fret, A string)
  • B (2nd fret, A string)
  • A (open A string)
  • G (3rd fret, low E string)

You can pick these notes individually or incorporate them into your strumming. Either way, it adds movement and makes the transition smooth as butter.

Putting It All Together

Here’s the full sequence with the walkdown:

Bar 1 2 3 4
Phrase 1 G D Am Am
Phrase 2 G D C C (walkdown)

Just loop that over and over. The verses and chorus use the same progression—Dylan wasn’t trying to complicate things, and neither should you.

Tips for Nailing This Song

Start slow. The chord changes from G to D to Am/C need to be smooth. If you’re rushing, it’ll sound choppy.

Practice the walkdown separately. Get those four notes (C-B-A-G) under your fingers before trying to fit them into the full progression.

Listen to both versions. Dylan’s original is sparse and haunting. The Guns N’ Roses version is bigger and more dramatic. Both work with these same chords—the difference is in the feel and intensity.

If you liked this lesson, check out Brown Eyed Girl or Simple Man — two more classics at a similar level. Browse my easy guitar songs collection, or check out the full guitar song library for more lessons.

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  1. WAAooouuu superb lesson , i am a beginner , and with that lesson I can play music , not just 1-2-3-4 …change and 1-2-3-4-

    long life to your site , i will come back sure baby.

  2. Nice pentatonic scale  practice.  To use this in the A scale, start at the fifth fret where the root note is and repeat the scale. 
    String
     E – Fret 5 then 8
     A – Fret 5 then 7
     D – Fret 5 then 7
    G – Fret 5 then 7
    B – Fret 5 then 8
    E Fret 5 then 8

    the notes you are playing make the minor A scale 1 b3 4 5 7 or the notes are A, C, D, E, G

    For E it’s E, G, A, B, D which equals 1, b3, 4, 5, 7 – it works everywhere!!

  3. Thanks buddy, Fantastic contribution. We follow you…………
    give us a few more of that killer riffs…………
    Good luck!

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