Friday, March 6, 2020
Guitar Theory Basics Understanding Keys
Guitar Theory Basics Understanding Keys Sign up successful Just as words describe what we see, music theory describes what we hear. Your ears already know it, the theory just gives it a name. See? That wasnât so bad. The Tonal Center Of course, chords arenât played on their own. We usually hear them in the context of a piece of music. Try playing these chords in this order, one chord per bar (bass players play arpeggios or roots): | G / / / | C / / / | D7 / / / | G / / / | The G major chord, being our first chord and having no context, sounds relatively neutral. When we change to the C chord the tension increases a bit because we have moved away from G, which our ears have started getting used to. The D7 brings even more tension before finally resolving back to G. Can you hear the resolution of the G major chord? The chord that provides the strongest resolution may be referred to as the tonal center. This means that the combination of notes played throughout the music make the G major chord sound and feel the most resolved. Therefore, we are in the key of G. (Technically speaking, the tonal center refers to the root of the chord, but letâs not split hairs.) The resolution of the tonal center should feel like âhomeâ for the song, providing a feeling of stability and conclusion. So WHY is this music in G? Because it SOUNDS like it! Letâs play another example: | Am / / / | F / / / | G / / / | Am / / / | | C / / / | F / / / | E / / / | Am / / / | The A minor chords in this progression give that feeling of resolution, so Iâd say this piece is in A minor. Looking for Clues âThatâs all well and good,â you say, âbut canât I figure out the key without playing every single chord?â My thoughts exactly. Itâs true that the conclusive evidence to tell you what key you are in is always âbecause it SOUNDS like it.â However, there are a couple of easy clues you can look for to point you in the right direction. Check it out⦠1) The Key Signature The key signature is the collection of sharps or flats that appears at the beginning of each line in your sheet music. This will tell us which notes will be sharp or flat throughout most of the piece. It is your first big hint as to what key you are in and will point to both a major AND a minor key as probable candidates (weâre narrowing it down here). For example, a key signature with 2 sharps will probably be in the key of D major or B minor because both of those keys have 2 sharps in them. Always check your circle of fifths to find your major and minor key candidates. A key signature is like the mark of Zorro â" itâs the key saying, âI was here!â What about when there is no key signature? Good question. Remember, the keys of C major and A minor have no sharps or flats, so none will appear in the signature (think of it as the invisible key signature). 2) Beginning and Ending Hereâs a real giveaway: the song usually STARTS and ENDS with the chord of the key you are in. Notice how our example in G major both started and ended with a G chord. It was the same with A minor. But donât count your chords before they hatch, because this is not always the case. Always check your key signature and listen for the resolution. Summary While knowing what key you are in is not strictly necessary, it is extremely useful. Keys are your starting point to understanding music and making more informed choices as a player. Musicians ultimately define keys based on sound, NOT based on theory. This can lead to some ambiguity over what key a piece of music might be in. Two competent and informed players may have a legitimate disagreement about keys. That is to be expected because those players might hear resolutions differently. However, nothing is worse than a bar fight over what key you are in, so letâs be civil about our musical differences. There is a multitude of other arguments that one can make to define the key you are playing in. And while I have oversimplified a complex topic, this statement always holds true: âThis music is in this key because it SOUNDS like it.â Now lets rock! Looking for more help understanding guitar theory? Search for a private guitar teacher near you or online! Alexander A. teaches guitar, bass guitar, ukulele, upright bass, and music theory in Tacoma, WA. He earned his bachelors degree at Berklee College of Music in bass performance and composition. Alexander offers lessons in-person as well as online via Skype. Learn more about Alexander. Interested in Private Lessons? Search thousands of teachers for local and live, online lessons. Sign up for convenient, affordable private lessons today! Search for Your Teacher Photo by Joe Strupek
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