AC/DC built an entire empire on the radical idea that you do not, in fact, need more than three chords and a mild problem with authority. "You Shook Me All Night Long" is Exhibit A: it struts, it swings, it makes you want to nod your head in public, and it is almost aggressively easy to fake. Almost.
This is Riff #8 in my series — a 35-second run through the driving rhythm part of AC/DC's feel-good juggernaut. It's the perfect playground for tight chord changes and that elusive AC/DC groove, and yes, there's a PDF and Guitar Pro download for the exact part.
How the You Shook Me All Night Long riff works
Here's the dirty secret of AC/DC: there is barely anything to play. The whole thing lives in G major and leans on three chords — G, C and D, the eternal I–IV–V that props up half of rock and roll. What makes it sound like AC/DC instead of your first campfire attempt is the space between the chords. Malcolm Young let those open voicings ring, chopped them off clean, and left silence where a lesser guitarist would cram in more notes. The groove is in the gaps.
Concrete takeaway: play it with relaxed, consistent downstrokes and obsess over when you stop the chord, not just when you hit it. Lift your fretting fingers a hair to mute, let the open strings breathe, and keep your picking hand swinging like a metronome that's had exactly one beer. Nail the timing and it grooves; rush it and it turns to mush. If your rhythm feels stiff, this riff is a fantastic diagnostic.
Then again, my neighbours have now heard the same eight-bar loop roughly four hundred times, and they have developed opinions. Want the PDF and Guitar Pro file so you can develop some neighbours' opinions of your own? They live on my Patreon.