Fretfury Guitar Lessons

Do you wonder how the great fusion masters get their supernatural guitar sound?

Discover the ‘Sacred Geometry’ of the Fusion Guitar Gods

How one simple idea can transform your guitar sound from ordinary to unworldly almost overnight

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No more wasted time on guess work and unproductive practice sessions

Teaching yourself guitar
can be tough

and leave you:

An experienced guitar teacher

can help you:

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Get more from your practice sessions

By giving you practice material for your specific needs, you’ll be making the most of your practice time by only practicing what you need to in that moment.

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Become inspired to play and practice

Having an expert explain their methods 1-on-1 can be inspirational, as you’ll get to see, in real time, the possibilities of what you can do on guitar.

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Build confidence in your own abilities

Sometimes all it takes is a change in perspective to realize you do ‘have what it takes’ to progress on guitar, increasing both confidence and motivation.

I'm Sergio Klein

and the best part of my job is seeing the joy in my students
when they achieve things on guitar they thought impossible

If you’ve been grinding it out on your own and feel like you’re not getting anywhere with your guitar playing, then don’t beat yourself up.

All the information you could ever need is at your finger tips, but this can cause overwhelm and have you chasing the next shiny object you think will make you a better player.

You may even think you don’t have what it takes to become the guitarist you desire. Well I’m here to tell you that you can do it. All you need is the right guidance.

I know you have a dream you want fulfilled through guitar, and I would love the opportunity to help you achieve this.

Sergio teaching a student over Zoom
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Frank Cifarelli testimonial image

Sergio was my first real guitar teacher, and one of the most amazing players I’ve ever had the good fortune to study with. And so knowledgeable. I can’t recommend him enough as a teacher.

Frank Cifarelli – New York, USA

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Sergio has had a huge influence on my taste in music, my musical knowledge, and of course, the way how I play guitar. I always fell better after a lesson, he is a big inspiration to me.

Oliver Fleischer – Berlin, Germany

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I’ve taken lessons with Sergio for around 3 years. I especially like that he tries to overcome even your minor flaws in technique with useful exercises, so you can overcome them finally.

Pujan Klose – Berlin, Germany

You're just 3 steps away

from the progress you deserve

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Book a FREE Consultation
so I can gauge your
needs and ability

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Confirm a time
to meet for lessons
via Zoom

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Apply the lessons
in your own practice
and get results

I know you’re the kind of person

who wants to
express themselves through guitar

In order to do that, you need to treat music as a language. The goal is to be fluent in music, the same way you use words, sentences, and paragraphs without thinking to express thoughts verbally.

The problem is, most teachers don’t teach this way and focus on many different aspects of guitar. What they teach is important, but they don’t integrate them in any meaningful way so you understand ‘the big picture’. This can make you feel like you’re missing a piece of the puzzle, and that you don’t have what it takes to become a great guitar player.

I believe you deserve results for your effort, and fulfillment through guitar shouldn’t be reserved for the ‘naturally talented’.

I’ve worked with many students over the years, and understand their frustration when they feel their dreams are out of reach. That’s why I’m dedicated to breaking down my approach to guitar, in an understandable way that gets results.

So, if you’d like me to help you build your own musical language,
then follow these 3 steps:

Sergio on stage teaching a masterclass
  1. Book a FREE Consultation so I can gauge your needs and ability
  2. Confirm a time to meet for lessons via Zoom
  3. Apply the lessons in your own practice and get results

Book a FREE Consultation now

… so you can stop wasting valuable practice time, and start becoming fluent with your instrument.

Once I understood

the true purpose of learning licks

I realized that:

Tim Chilman playing guitar on stage
Tim Chilman

Before meeting Sergio I’d played guitar for 22 years.

I was a decent song writer and rhythm player, but …

… when it came to lead, I felt like a complete novice.

I’d jam with our band, and my friend Tim could play so freely.

More than anything,
I wanted to play with that same freedom.

I had a good grasp of scales and theory, but my solos sounded lame.

I felt so inadequate, …

… I’d avoid jamming and cut straight to rehearsal.

I asked Tim how he learned to play, and he told me he learned licks.

However, when I tried to incorporate licks into my solos, they sounded forced.

When I started lessons with Sergio, he compared learning licks to reading.

Image of Sergio R. Klein on stage

If you’re explaining something you’ve read, you don’t repeat the information word for word.

You interpret the meaning and repeat it your own way, using your own vocabulary.

You’ll rarely say the same story twice, and can use as many, or as few words as you need.

The core idea is always the same.

My new goal wasn’t to string licks together note for note, but to …

understand a lick’s core idea,
or as Sergio calls it:

a lick’s ‘intervallic grouping’

and add this to my musical vocabulary.

I only knew a handful of licks, so felt like I had a long way to catch up.

But, once I put this concept to work, I was able to do much more than play a single lick.

I could use its intervallic grouping to
create multiple licks that work seamlessly with each other.

However, my real transformation isn’t the licks, or even the new harmony I can integrate, but …

… the realization I can achieve noticeable results, even if I lack natural talent.

And best of all …

… once I learned the lick’s intervallic grouping and how it related to the scales and arpeggios I already knew, I was able to integrate it into my playing overnight.

Obviously, any new idea will take time to master, but …

it’s possible to see results quickly,
whether YOU think you have talent or not.

Give a man a fish, and you feed him for a day; …

… show him how to catch fish, and you feed him for a lifetime.

Old School Proverb

If you’ve

tried to improve

your lead guitar skills, yet:

Close up of Sergio fretting guitar

… then, using a lick’s intervallic grouping as a spring board for exploration is an excellent solution.

So, now you know how to use licks as a starting point to …

… build your own musical vocabulary.

Pretty cool right?

Let me ask you a question

If you could do the following:

  1. Learn 1 lick and map its intervallic grouping
  2. Integrate this with the scales and arpeggios you already know
  3. Repeat steps 1 and 2 to expand your musical vocabulary

… do you think you could express yourself and say more with your guitar?

Are you excited about what we just covered?
Are you feeling a little overwhelmed because we’ve covered so much?

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Then if it’s okay with you, I’d like to spend 10 minutes going over …

… a very special offer I created to help you build your own fusion guitar vocabulary?

It’s totally fine if you don’t want to know this stuff. I already know it.

This isn’t about me; this is for you.

Is it cool if I spend 10 minutes
and show how it can change your
approach to guitar?

Outside Fusion Phrasing

is everything you need

to start building your own
fusion guitar vocabulary

2.5 Hours of In-depth
Video Lessons

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Inspiration and motivation can be hard to summon.

With 11 video lessons each based on different licks, you’ll:

Even if you don’t follow along with Sergio in the videos, the lessons alone are inspirational and will motivate you to take action.

40-Page Workbook

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Sometimes it can be hard following along to video lessons.

The Outside Fusion Phrasing workbook provides …

… detailed explanations of the theory along with fretboard diagrams, so you can get the most from the licks in this course.

Even if you don’t care for the theory, the diagrams are super valuable on their own.

60+ Exercises

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Knowledge on its own won’t get results. You need to put it into practice.

With 60+ exercises (in Guitar Pro and PDF formats) you’ll:

These exercises are designed for musical integration, so you don’t need to worry about becoming bored.

How will the course be delivered?

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Online Members Platform

You get your own secure login to my online member’s platform.

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Stream On Any Device

The videos can be streamed from any device, anywhere, anytime. All you need is an internet connection.

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Download Tabs & PDFs

You can download and print the tabs and PDF documents as many times as you like.


Outside Fusion Phrasing

video course includes:

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The BAD NEWS is:

Outside Fusion Phrasing

Is NOT for Everyone

Sorry guys — maybe next time.


It's SPECIALLY designed for

open-minded, motivated guitarists

… no matter which style you play.

It works perfectly for:

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You might be thinking

“Outside harmony sounds too complicated.
I don’t know enough theory.”

Let me ask you a question:

Did you learn grammar before you started speaking?

I’m guessing no.

You started speaking through imitation, and over time grew your vocabulary and the ability to create complex sentences.

Only later did you start learning grammar to understand the mechanics of language.

Many people only learn a small amount of grammar, yet speak fluently.

Building your own musical language is exactly the same.

Take one lick (word) and learn to use it.

It’s that simple!

If you want to learn theory (grammar), then you’ll have a much better understanding of the musical language, but …

… a lack of theory shouldn’t stop you from expressing yourself.

Here’s EVERYTHING you need to start building

your own fusion
guitar vocabulary

right now

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Total Value: $201

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Claim your copy TODAY

and get these FREE, bonus

Quality Backing Tracks

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Integrating what we learn into real music can be challenging.

Sergio created these backing tracks especially for Outside Fusion Phrasing, …

… so you can:

Don’t wait until you feel you’re ready.

Start integrating your new skills straight away.

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Here’s EVERYTHING you need to start building

your own fusion
guitar vocabulary

right now

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Total Value: $218

$ Today ?


I’m NOT going to charge you $2​18

But If I DID charge you $218, and if just 1 lick opened your ears to new possibilities, …

… would it be worth it to you?

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If all this method did was

… show you how to use licks to build your own musical vocabulary.

Would it be worth $2​18?

If all it did was

… give you confidence in your ability to improve on guitar.

Would it be worth $2​18?

Silhouette of guitarist
Guitar player silhouette

And if all it did was

… prove you can implement new ideas quickly.

Would it be worth it?

If you could express yourself more fluently on guitar,
what would it be worth to you?

How much would you pay to have that ability?

You can probably see why people would gladly pay $2​35, because …

… it’s not a cost. It’s an INVESTMENT.

And even at $2​35 it’s a great deal.

But because you’ve committed your time today, …

… I’m going to give you a very special offer.

Here’s EVERYTHING you need to start building

your own fusion
guitar vocabulary

right now

Outside Fusion Phrasing product image

Total Value: $218

$97 Today

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You’ll receive INSTANT ACCESS to your product immediately after purchase. This product is 100% digital.

If you were to hire Sergio to teach you this stuff, it could cost $500.

But because you’re learning how to do it yourself AND I’m giving you all the resources to make it happen, …

… you only pay $47.

So at this point

you have two choices

Choice #1 is to do nothing.

If you do nothing, what will you get? Nothing.

Or you can choose to take a leap of faith.

Just test it out to see if it’ll work for you.

The Fretfury
100% money back guarantee

Purchase with confidence … it’s risk free!

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Look. Let’s be honest. You don’t know me (probably), I don’t know you.

Why should you trust me when there’s a high chance you have bought a course before from somebody else (who you didn’t know at that time) and it flopped, right?

I decided to take all the risks from your shoulders and give you full 30 days to go through the program. During this time you can decide if it’s worth the price. If not just send us an email to and we’ll send you a refund right away!

The real question is this:

Is it worth gambling a few minutes of your time to check this out? 

Even if it only does HALF of what I’ve claimed today,
then one lick can could help unlock new potential.

Here’s EVERYTHING you need to start building

your own fusion
guitar vocabulary

right now

Outside Fusion Phrasing product image

Total Value: $218

$97 Today

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You’ll receive INSTANT ACCESS to your product immediately after purchase. This product is 100% digital.

Think how much it’s costing you every day
you don’t take control of …

your musical destiny

“So are you telling me I don’t need theory at all to learn fusion guitar, that I should just learn licks?”

No, not at all.

In order to truly master fusion guitar, then …

… understanding the harmony on a deeper level is necessary.

What I’m trying to tell you is this:

You DON’T need to spend years
learning advanced jazz harmony to

start playing
fusion guitar

You can use licks and their intervallic groupings
to implement new ideas quickly.

And (if you’re interested) you can learn the theory afterwards.

But for now …

Start implementing. Start taking action. Start playing music.

Intervallic groupings are your SHORTCUT to help implement advanced concepts quickly.

The licks in this course will help you build a fusion guitar vocabulary …

But, please, don’t give up!

Try to use intervallic groupings.

Take control of your musical choices

The best time to plant a tree was 20 years ago.

The second best time is NOW.

Chinese Proverb

Frequently Asked Questions

After purchasing, you’ll receive instructions on how to set up an account in the Fretfury member’s area the ‘dojo’. You’ll be able to access this and all future products you purchase through the dojo.

If you’re not satisfied with this product for any reason, then please send an email to within 30 days of purchasing, and you’ll receive a full refund.

No, this course isn’t suitable for beginners. To get the most from this course, you want to have at least a good understanding of the core pentatonic scale patterns, and the ability to read tab and fretboard diagrams.

No worries, you don’t need to play fusion music to get value from this course. The ideas from this can be applied to other genres i.e. metal, blues, rock, pop. The goal of this course is to expand your musical vocabulary, and to know when and how to use certain sounds to get your point across.

If you’re still on the fence

now is the time to CLICK THE BUTTON below
and get started

Remember there is no risk, and we have a 100% money-back guarantee.

But the only way for you to know if this is right for you is to get started right now.

Here’s EVERYTHING you need to start building

your own fusion
guitar vocabulary

right now

Outside Fusion Phrasing product image

Total Value: $218

$97 Today

Secure checkout badge
Money back guaranteed seal
Accepted credit cards banner

You’ll receive INSTANT ACCESS to your product immediately after purchase. This product is 100% digital.