Guitar Theory: From First Chords to Total Mastery
Stop memorizing shapes and start understanding the fretboard. Learn to play any song by ear, write your own riffs, and unlock the secrets of music theory directly on your guitar.
Like Duolingo, but for Guitar Theory: From First Chords to Total Mastery. Tomo turns the whole topic into a game you play five minutes a day, until it actually sticks.
195 levels across 9 sections, about 390 minutes end to end, roughly 78 days at five minutes a day. It moves through Play Your First Songs Right Now, Make Your Chords Sound Professional, Navigate the Fretboard Like a Pro, Unlock the Secrets of Scales, Understand How Music is Built, Master the Art of Key Changes, Advanced Textures and Movable Shapes, Soloing with Emotion and Intent, and The Deep Science of Sound. It starts from scratch.
Free forever · No credit card · iPhone & Android

Key ideas in Guitar Theory: From First Chords to Total Mastery
- These chords provide a complete cycle of tension and resolution
- The I chord feels like a point of rest or finality
- They are the primary chords built from the major scale
- Other chords create a sense of 'being away' from home
- Why the I, IV, and V chords are the foundation of popular music
- Identifying the 'home' chord (the I) by its feeling of rest
- Standard open chord finger placements
- The V chord creates the highest tension
- The difference between G, C, and D shapes
- The I chord provides the final resolution
- Mapping chord names to their specific finger shapes
- The emotional cycle of tension and resolution in a V-I progression
- A capo raises the pitch of the strings
- Major chords generally sound bright or happy
- Using a capo allows you to use the same finger shapes in a new key
- Minor chords generally sound dark or sad
You've tried the other tabs
Thirty open tabs. Four facts you actually kept.
You watched. You nodded. By Sunday it was gone.
One answer, then back to scrolling.
Eight weeks. You meant to finish. You didn't.
Tomo gives Guitar Theory: From First Chords to Total Mastery the Duolingo treatment: levels, streaks, and quick quizzes that test what you just learned. That game loop is what the tabs above never had, so it's the one you actually finish.
Here's what playing it feels like
A real question from this course. Take your best guess.
When a song reaches a point of total finality and 'rest,' which chord is it likely playing?
Get it right to open this lesson and 194 more in the app.
How to learn Guitar Theory: From First Chords to Total Mastery, step by step
Go in order. 195 short levels across 9 sections, about 6 hours 30 minutes in all, five minutes a day.
- 1
Play Your First Songs Right Now
- The Three Chords That Rule the Radio
- How to Read Guitar Tabs Instantly
- Finding Your Rhythm with Basic Strumming
- Changing Chords Without Pausing
- 2
Make Your Chords Sound Professional
- The Secret to Clean, Buzz-Free Notes
- Using Power Chords for a Rock Sound
- Adding Flavor with Suspended Chords
- How to Use a Capo to Change Keys
- Palm Muting for Texture and Groove
- 3
Navigate the Fretboard Like a Pro
- Finding Any Note Without Guessing
- The Magic of the Octave Pattern
- Visualizing the Fretboard as a Map
- 4
Unlock the Secrets of Scales
- The Pentatonic Scale: The Guitarist's Best Friend
- Playing Your First Blues Solo
- Connecting Scale Shapes Across the Neck
- Adding 'Blue' Notes for Extra Soul
- How to Practice Scales Without Getting Bored
- Speed Drills for Nimble Fingers
- 5
Understand How Music is Built
- The Major Scale: The DNA of All Music
- Building Chords from Scratch Using Intervals
- Why Some Chords Sound Happy and Others Sad
- The Number System for Predicting Next Chords
- 6
Master the Art of Key Changes
- How to Transpose a Song on the Fly
- Using the Circle of Fifths as a Cheat Sheet
- Relative Majors and Minors Explained
- Borrowing Chords from Other Keys
- Writing Smooth Chord Transitions
- 7
Advanced Textures and Movable Shapes
- Conquering the Dreaded Barre Chord
- The CAGED System: One Chord, Five Places
- Triads: Small Chords for Big Sounds
- 8
Soloing with Emotion and Intent
- Bending Strings to Hit the Right Pitch
- Hammer-ons and Pull-offs for Fluidity
- Using Vibrato to Make Your Guitar Sing
- Targeting Chord Tones in Your Solos
- 9
The Deep Science of Sound
- The Physics of Vibrating Strings
- How Overtones Create Tone Color
- The History of Western Tuning Systems
- Why the Guitar is Tuned in Fourths
- Understanding Modes: The Moods of Music
9 sections · 39 units · 195 levels. Built to play, not to enroll.
Questions about Guitar Theory: From First Chords to Total Mastery
How do I learn Guitar Theory: From First Chords to Total Mastery?
Go in order: start with Play Your First Songs Right Now, then Make Your Chords Sound Professional, then Navigate the Fretboard Like a Pro, then Unlock the Secrets of Scales, and 5 more sections after that. On Tomo that's 195 short levels, about 6 hours 30 minutes in all, played five minutes a day. Start free and play the first level in under a minute.
Is there a Duolingo-style app for Guitar Theory: From First Chords to Total Mastery?
Yes. Tomo works like Duolingo: short daily lessons, streaks and quick quizzes. Guitar Theory: From First Chords to Total Mastery is one of its free courses, and you can type any other topic to get a course of your own.
Is the Guitar Theory: From First Chords to Total Mastery course free?
Yes. Guitar Theory: From First Chords to Total Mastery is playable on Tomo's free plan, which doesn't expire. No credit card, no waitlist. Download the app and start your first lesson.
How long does it take to learn Guitar Theory: From First Chords to Total Mastery?
195 levels across 9 sections, about 6 hours 30 minutes of play in total. It's built for five minutes a day, so you finish it a little at a time instead of all at once.
Do I need any background to start Guitar Theory: From First Chords to Total Mastery?
No. It's pitched at a beginner level, so it starts where you are and builds up. If you can tap a phone, you can start.
Tomo is in ChatGPT
Tomo is also a ChatGPT plugin: the same playable courses, built and played inside your chat.
Add Tomo to ChatGPT- What to ask
- “Make me a Tomo course on black holes.” “Turn this chat into a Tomo course.”
- What you get
- Quick questions with instant feedback, hearts and stars, ready to play in about a minute.
- Where it goes
- No sign-up to start. Connect your Tomo account and your streak carries on in the app.
You pick the voice
Guitar Theory: From First Chords to Total Mastery is taught in the Professor style: clear, structured, thorough. Want a different feel? In the app you can spin up the same topic in any of Tomo's teaching styles. Same facts, totally different vibe.
More Music on Tomo
Strum Your First Song
Go from holding a guitar to playing your favorite hits. Master the essential chords, find your rhythm, and learn how to make your instrument sound professional.
Play Your First Song
Skip the boring scales and start making music immediately. This course focuses on the essential shapes and rhythms needed to play thousands of popular songs right away.
Guitar from First Chords
Start playing songs from your very first session with essential open chords and fluid strumming patterns. Build reliable rhythm, master smooth transitions, and explore melodies through tabs and fingerpicking. Develop clean technique and fretboard confidence without getting bogged down in abstract theory.
Guitar Chords by Shape
Stop memorizing hundreds of individual dots. Learn the 'master shapes' that unlock every chord on the guitar neck using simple, movable logic.
Guitar Theory and Songwriting
Learn the foundational music theory of the guitar fretboard, build compelling chord progressions, and compose original songs from scratch.
Connecting the Guitar Fretboard
Break free from open chords and the first pentatonic box. Learn how movable triad shapes, linked neck positions, and chord-tone targeting turn mechanical fretboard patterns into expressive, connected guitar playing.
Start Guitar Theory: From First Chords to Total Mastery today.
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