Want to play a real blues riff that sounds authentic right from day one? This lesson teaches you a three-note blues riff inspired by Muddy Waters’ “Mannish Boy” – one of the most recognizable riffs in blues history. You’re learning the same groove that’s been the backbone of countless blues songs for decades.
This is lesson one in a five-part series that takes you from this basic riff all the way through power chords, bends, double stops, and finishing touches. But first, you need this foundation.
The Three-Note Riff
This blues riff uses just three notes: open A string, open D string, and C (3rd fret of the A string). That’s it. Three notes that create the driving bass line behind “Mannish Boy” and dozens of other blues classics.
The pattern is simple: play the open A, then the open D, then the C note, then back to open A. When you get the notes down, you’re playing something Muddy Waters made famous.
Finger Positioning
Use your first and second fingers for this riff, even though you technically only need one finger for the C note. Why? Because in the next lesson, you’ll add power chords, and having your second finger already in position makes that transition smooth.
First finger on the C note (3rd fret, A string). Second finger hovers nearby, ready for when you need it. This sets you up for success as the riff gets more complex.
Down-Up Picking Pattern
Get into the habit of alternating down-up picking from the start. Down on the open A, up on the open D, down on the C, up on the open A. Down-up, down-up, down-up.
This might feel mechanical at first, but it’s essential for building speed and maintaining a steady groove. The picking hand keeps a consistent motion while your left hand does the minimal work of fretting just one note.
Don’t rush it. A slow, steady down-up pattern sounds better than a fast, sloppy one. The groove matters more than the speed.
The Count-In and Timing
In “Mannish Boy,” the riff starts immediately after the count-in. You count one, two, three – and right after three, you hit that first note. Not on three, but immediately after.
Practice counting it out: “One, two, three” then immediately start the riff. This creates the driving, urgent feel that makes blues riffs grab attention. There’s no pause, no hesitation – just straight into the groove.
Muting Technique
Here’s where beginners often struggle: you’ve got six strings on your guitar, but you’re only playing two of them (plus one fretted note). The other strings need to stay quiet.
If you let all your strings ring out, it sounds messy. You want clean, clear notes with no extra noise. That means muting the strings you’re not playing.
Two ways to mute:
Left hand muting: Let your fretting fingers lightly touch the strings you’re not playing. Not pressing down hard enough to fret them, just touching them enough to keep them quiet.
Right hand palm muting: Rest the edge of your picking hand palm lightly on the strings near the bridge. This dampens the strings you’re not picking.
Most players use a combination of both. The first two notes (open A and open D) can ring together – that’s part of the sound. But after you play the C and return to the open A, make sure those other strings aren’t adding noise.
Making It Sound Right
The notes are easy. The groove takes practice.
This riff isn’t about playing perfectly clean notes at lightning speed. It’s about feel. That down-up picking pattern creates a pulse, a drive, a momentum. When you nail that feel, the riff comes alive.
Play it slowly at first. Focus on the picking pattern staying consistent. Once your right hand has that down-up motion locked in and your left hand can grab that C note without thinking, you’re ready to speed it up.
Practice Strategy
Start with just the picking pattern on open strings. Don’t worry about fretting the C yet. Just practice down-up, down-up on the A and D strings until it’s automatic.
Then add the C note. Slowly. Get one clean repetition of the riff. Then another. Then string three together. Build up gradually.
Practice the count-in. Count “one, two, three” out loud, then start the riff immediately after three. This helps you internalize the timing.
Use a metronome or drum track if you have one. Blues has a specific pocket, a specific groove, and playing along with a steady beat helps you find it.
What’s Next
Once you’ve got this three-note riff solid, move on to lesson two, where you’ll add power chords and the essential shuffle rhythm that makes this riff really swing.
The complete five-part series covers:
Lesson 2: Power chords and shuffle feel
Lesson 3: Bends, slides, and advanced muting
Lesson 4: Moving the riff up the neck with double stops
Lesson 5: Hammer-ons, the A7 chord, and stylistic finishing touches
But don’t rush ahead. Master this three-note riff first. Get the picking pattern smooth. Get the muting clean. Get the timing right. Everything else builds on this foundation.
Building Your Blues Foundation
This riff is your entry point into playing authentic blues guitar. Combine it with foundational chord work like the beginner blues chords (E7, A7, B7) and rhythm techniques from the one finger blues and two finger blues shuffle lessons.
For more lead work, check out the easy blues guitar riff and cool blues riff lessons. Each one teaches a different approach to blues phrasing and technique.
For more beginner-friendly blues lessons, visit our Beginner Blues Guitar section.