Same four chords in another order: Em, C, G, D, and our chart has that one loop right through. It runs at 84 beats a minute.
Play along
zombie
The new idea: quiet and loud
This song is all about the contrast. Play the loop softly, barely touching the strings, for a while. Then strum as if you mean it, with your whole arm. The chords are exactly the same, and yet it turns into a different song.
Beginners tend to play everything at the same volume. Choosing where to get quiet makes a big difference.
Try it
Play through four times round softly and four times round hard. Then do it with the record and see if you can follow where it builds.
You're done when: someone in the next room would be able to tell which part you are on.