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String MegaPack

Lifetime Access to ALL String Premium Courses & Backing Tracks at a special price!

Get ALL Courses!

Get Lifetime Access to All String Premium Courses & Backing Tracks at a BIG Discount!

  • SFS Modes - Modes Everywhere!
  • SFS Modes 2 - Horizontal Connections
  • SFS Pentatonics - Pentatonics Everywhere!
  • SFS Pentatonics 2 - Navigating Chord Changes
  • SFS Colorful Triads
  • Economy Picking Bootcamp
  • Modal Harmony Workshop
  • Linear Freedom Improvisation Course
  • SFS Melodic Minor Modes
  • SFS Harmonic Minor Modes
  • BT Pack 1 - Modes
  • BT Pack 2 - Melodic Minor Modes
  • BT Pack 3 - Harmonic Minor Modes
  • BT Pack 4 - Blues
  • Economy Picking Bootcamp
  • SFS Harmonic Minor Modes
  • SFS Melodic Minor Modes
  • Perfect Pitch for Guitarists - BETA

PLUS: You will be automatically enrolled in ALL future String Partner Subscription courses and updates.


"When I first tried out Prokopis' system, to my amazement I 'immediately' began to map out the scale sequences with SFS. Prokopis is certainly a talented musician and teacher.”

Karl Sartin

“The very visual approach of SFS has already unlocked my mind to the fretboard. Having bought many many books and videos etc, I can safely say this is the very best system for me.”

Darren Wormald

"The Practice Partner Subscription is an incredible bargain! There is so much to learn. Since I've been subscribed to EMP I've seen several other systems and none even comes close to yours. Really grateful I ran into you and your site!"

Ted Mardesich

Your Instructor


Prokopis Skordis
Prokopis Skordis

I am a music geek fascinated with learning new things, and improving my own guitar skills, but I'm also very passionate about helping others do the same! After studying in the Greek National Conservatory, and Berklee College of Music, I began performing and teaching privately in 2001. Since then, I have developed new methods for effective musical learning, and my mission with String Systems is to share them with the world :-)


“…Thank you so much. I love your lessons, keep it up! You have a calling for this work.”

Eric Bang

“…When I first watched a few of your videos, I instantly knew there was something different about this system. I cannot believe all guitar players are not taught this way. It’s so simple and it makes sense so quickly.”

Jimm Panik

Courses Included with Purchase



SFS Pentatonics - Pentatonics Everywhere!
Learn to build ALL pentatonic fingerings "on the fly", everywhere on the fretboard, without memorizing boring box shapes!
Prokopis Skordis
$89
SFS Modes - Modes Everywhere!
Learn to build ALL modal fingerings "on the fly", everywhere on the fretboard, without memorizing boring box shapes!
Prokopis Skordis
$89
SFS Colorful Triads
Improvising with Triads and Chromatic Approach Notes
Prokopis Skordis
$39
Economy Picking Bootcamp
Take your picking skills to the next level with this fun and effective technique course!
Prokopis Skordis
$139
Drop 2 Workshop
Exploring the World of Seventh Chords
Prokopis Skordis
$39
Modal Harmony Workshop
Learn how to make music with modal chord progressions!
Prokopis Skordis
$89
Linear Freedom
Unleash your scalar improvisation skills with this unique and highly effective method!
Prokopis Skordis
$89
SFS Pentatonics 2 - Navigating Chord Changes
Learn to improvise melodies that flow through complex chord and scale changes!
Prokopis Skordis
$89
SFS Modes 2 - Horizontal Connections
Learn to move between adjacent modal fingerings, using any string as a horizontal connection point!
Prokopis Skordis
$89
SFS Melodic Minor Modes
Learn to build ALL Melodic Minor fingerings "on the fly", everywhere on the fretboard, without memorizing box shapes!
Prokopis Skordis
$39
SFS Harmonic Minor Modes
Learn to build ALL Harmonic Minor fingerings "on the fly", everywhere on the fretboard, without memorizing box shapes!
Prokopis Skordis
$39
Perfect Pitch for Guitarists - BETA
A method for developing absolute pitch, custom tailored for guitar players!
Prokopis Skordis
$69
BT Pack 1 - Modes
Backing tracks in all keys, and for all modes of the major scale.
Prokopis Skordis
FREE
BT Pack 2 - Melodic Minor Modes
Backing tracks in all keys, and for all modes of the Melodic Minor scale.
Prokopis Skordis
$20
BT Pack 3 - Harmonic Minor Modes
Backing tracks in all keys, and for all modes of the Harmonic Minor scale.
Prokopis Skordis
$20
BT Pack 4 - Blues
Blues and Minor Blues backing tracks in all keys .
Prokopis Skordis
$10

Original Price: $948


“Wow. I have been playing for many years, but never understood scales and modes until now. Thank you. SFS is the best! Can't wait to learn more.”

Robby Turner

“...I only wish the SFS method had been shown to me 50 years ago when I first tried to play a guitar…”

Michael Trueblood

Frequently Asked Questions


When do do these courses start and finish?
These are completely self-paced online courses. You get lifetime access on all your devices, and you decide when you start, when you finish, and how fast you want to go.
How long do I have access to the courses?
After enrolling, you get unlimited access to all courses (including future updates) for as long as you like - across any and all devices you own.
What if I am unhappy with my purchase?
You won't be 😀. But in the unlikely event that you are unsatisfied with your purchase, the EMP MegaPack comes with a 30-day money back guarantee. Just contact us in the first 30 days and we will give you a full refund, no questions asked 👍.
Do you charge VAT or other taxes?
This depends on where you are when you make your purchase. Our hosting platform (Teachable) is required by law to charge tax based on every customer's location. If applicable, sales tax (VAT for EU customers) is added on the checkout page, and is passed by Teachable to the appropriate authorities.
I have another question...
Feel free to contact me with any questions at [email protected]

Get started now!



Note for EU Customers: VAT will be added in the next page. You will be able to review and confirm your payment.