There is a special kind of humbling that happens when you learn the Can't Stop intro riff, realise it's only about six notes, and then discover you still sound like a washing machine full of cutlery while John Frusciante sounds like a Swiss watch. The notes are the easy part. The murder is in the silence between them.
This little clip is my run at that Red Hot Chili Peppers intro riff, the funky, twitchy, percussive one that opens Can't Stop and refuses to sit still. Standard tuning, no wizardry, just a lot of very deliberate muting pretending to be effortless.
How the Can't Stop riff actually works
The secret to this riff isn't the notes, it's the dead ones. Frusciante plays it in a stream of steady sixteenth notes, but most of those sixteenths are ghost notes: you keep your fretting fingers resting on the strings without pressing down, and strum right through them so they come out as a muted "chk" instead of a pitch. The real notes only poke out on specific beats, and the muted scratches in between are what give the riff that twitchy, drum-like funk pulse. Think of your strumming hand as a metronome that never stops moving, up and down through every sixteenth, while your fretting hand decides which of those hits are allowed to actually ring.
Here's the concrete takeaway: set a metronome slow, keep your picking hand oscillating in continuous sixteenths, and mute everything first. Play the whole riff as pure percussion, no pitches at all, until the rhythm is locked. Then let the real notes through one at a time. If you want to go deeper on the muted side of things, my Palm Mutes breakdown and this funk lick are the same religion, different pews.
Do it right and you sound like a Chili Pepper. Do it wrong and you sound like someone strangling a Chili Pepper, which, honestly, is where all of us started. If you'd like the tab, the Guitar Pro file and the slowed-down version, they live over on my Patreon.