Musictheory is a super powerful tool for guitar players. It helps you navigate the fretboard, makes it easier to communicate with other musicians and deepens your understanding of music. In short: music theory can make you into a better guitarist and musician.
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Table of Contents IntroductionWhen Should You Learn Music Theory?Guitar theory vs. Music TheoryStep 1The Basic Language of Music TheoryStep 2IntervalsStep 3Chord ConstructionStep 4ScalesStep 5Roman NumeralsConclusionNext Steps
INDEXIntroduction
Compare it with a painter learning the names to colours. When you know about red and yellow, you can understand that orange is actually a mix of those two colours. (Sidenote: click here for a more detailed explanation of what music theory is.)
As we saw earlier, music theory gives names to a whole bunch of things, like chords, scales and rhythms. Now the thing is, it's easier to remember what something's called once more of your senses have been exposed to it. After seeing, smelling, feeling and tasting a dish of food, it's easier to remember its name, than after reading a dictionary definition of it, right?
Now, as a guitar player you should always strive to understand how music theory applies to the fretboard. It ensures you truly understand how the theory works in practice, how it actually sounds, and how you can use it yourself. And being able to use the theory yourself is crucial. As we saw in the last section, music theory is nothing more than a tool that can help us make better music. If it remains something that you read in a book once and vaguely remember, music theory won't help you!
There's a second reason why applying theory to the fretboard straight away is a good idea. I've always found the fretboard an excellent 'cheat sheet' that made theory easier to remember. It functions like a visual aid that makes it easier to memorize things like how certain scales or chords are constructed.
You can play a perfect fifth like this anywhere on the fretboard! There's just one important exception you need to keep track of. When you go up one string from the G to the B string, this isn't the same as going up five frets, but only four frets! So to play a perfect fifth on the G string, would look like this:
Because guitar theory should be practical, we'll check out another quiz from Music Theory from Scratch featuring this Lizz Wright tune. First, take a listen to the guitar. Then use the buttons below the TAB to indicate what 'ingredient' each of the notes is in the chord.
As you see, we can give each of those chords it's own Roman numeral. That tells us what role that chord plays in the harmony of the song. For example, the D chord has Roman numeral IV, which basically tells us 'this is the fourth chord we can create using the scale this song is based on'.
Plus, perhaps most importantly, following the music you love makes your musical journey fun, rewarding and meaningful. I hope you found this roadmap for music and guitar theory useful! If you have any questions, feel free to send me a message.
Welcome to GuitarMusicTheory.com where you can learn the inside secrets to popular guitar music. See how scales, chords, progressions, modes and more fit into your favorite songs. Go beyond guitar basics and get to know how music works on the guitar fretboard. Gain the skills necessary to compose and improvise your own music.
In music, a scale is a series of notes played in ascending and descending fashion. Scale notes make patterns on the fretboard, which guitarists finger and pick position to position. Guitar players use scales to play melodies, riffs, solos, and bass lines.
With a combination of vertical frets and horizontal strings, the fretboard (or fingerboard) is essentially a grid. When arranged and played on this fretboard grid, notes, scales, chords, and progressions make shapes and patterns. Guitarists visualize these shapes and patterns in order to navigate around the neck. Furthermore, guitarists understand how musical elements fit together by fitting their pieces together like a puzzle. In fact, you can build chords, compose chord progressions, and determine correct scales to play simply by relating to shapes and patterns, with little or no regard to key signatures, notes, sharps, and flats. Even if you take the traditional route of thinking, you still have to translate the music concepts to the fretboard and connect the dots, so to speak. This is why guitarists usually prefer to make use of guitar tablature and neck diagrams over standard notation. Learn more about the guitar fretboard
Without knowing how music works you are going to struggle with everything you do on guitar. Music theory provides you with the knowledge and know-how to bring all the elements of music together so that you can make music work for you and have complete control over what you play.
While music theory pertains to music in general, guitar theory pertains to the guitar specifically. Typically, this includes only those aspects of music that enable guitarists to find their way around the fretboard, play music, and compose.
So, what does guitar theory do? Guitar theory will explain what musical elements are, what they do, and how they fit together. For example, a new chord shape might be seen as an extension of a common barre chord. Wherever this common barre chord is played the new shape can be substituted for a new sound. A scale pattern might fit together with a specific chord progression. Each time this progression is used the scale tones can add melody and harmony.
In music, a chord is a group of notes that ring together in harmony. One of the first things that beginning guitarists learn is how to finger a basic chord shape and strum across a group of strings. Chords are usually at the base of every song and help to establish the tonality of a piece of music.
Chord theory is the study of how chords are built and how different chords relate to one another. This includes knowing basic chord structure, the difference between major and minor, the use of added chord tones and extensions, and the concept of voice leading. Guitarists make use of fragmented chord shapes, chord inversions, and chord voicings, and it all stems from their knowledge of chord construction. While simply memorizing chord fingerings is a suitable way to initially get started with playing guitar, getting to know chord theory is how you develop a working knowledge of music and become proficient as a player. One of the best ways to learn how chords are formed on the fretboard is to study the guitar-specific CAGED system.
Some years ago I made a concerted effort to bring up this weaker area of my playing. I have since put a lot of time and effort into building my knowledge of guitar chords and understanding guitar chord theory.
And thankfully, doing so has had a profound effect on my guitar playing. I now feel much more comfortable and confident playing a range of guitar chords all over the fretboard. But one additional and significant benefit, is that my lead guitar playing has also improved.
It will help you to create more sophisticated solos. It will also allow you to play alongside the track you are accompanying, rather than on top of it. And this will make your solos sound more melodic and effective.
Finally, if you have any ambitions for writing your own music, I would strongly recommend learning the basics of guitar chord theory. It will help you to construct interesting and impactful chord progressions that will represent the type of music you are trying to create.
As such, here I will be covering the basics. This will give you the fundamentals of guitar chord theory you need to become more comfortable with chords and how they are constructed. Over time you can build on this to take your guitar chord theory knowledge to the next level.
As such, the information outlined here is largely theoretical, rather than practical. Yet once you understand this information, it will make learning different chords and using them in your playing much easier.
So whether you are looking to improve your rhythm guitar skills, write your own music, or develop as a musician more generally, I hope you find the information included here useful. Here are the basics of guitar chord theory:
If we take the example above, you can see that C is the first note of the scale, and D is the second. As a result, E is then the third note that you encounter. Similarly, when you are trying to find the next note a third up from E, you count in the same way.
If you find the above confusing, then you can also think about skipping out or jumping over alternative notes in the scale. In other words, you play the note of C, miss D, play E, miss F, play G, and so on.
And this is because of intervals. As noted above, a triad is formed by taking 3 notes, all of which are a third apart. Yet this triad can sound totally different, depending on the intervals between the notes.
As you can see, there are 2 frets separating many of the notes in the scale, and only 1 fret separating others. This is very important when you begin to create triads from different notes of the scale.
For even though the notes in any given triad might be a third apart, the actual intervals between the notes change, depending on the note on which you start. We can see this by comparing a triad starting on the note of C, with one starting on the note of D:
In this first diagram the starting note (or root note) of the triad is C, shown above in the light blue colour. As you can see, there are 4 frets separating the notes of C and E. There are 3 frets separating the notes of E and G. And between the notes of C and G, there are 7 frets.
Between D and F, there are only 3 frets (or 1 and a half tones). Conversely, between the notes of F and A, there are 4 frets (or 2 tones). And so just like the triad built on C, the distance between D (the root note) and the A is 7 frets, or 3 and a half tones.
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