What are chord tones and how important are they?
Chords are placed in the song by the song writer so that they share some of the active melody notes. It's this sharing of like notes that give us harmony. So if we play some of the notes of the harmonizing chord we two will sound good with the melody and what is happening in the song.
Chords are made from every other note in the parent scale. Are they important? Yes 90% of what we do as bassists is based upon playing some of the notes that are in the active chord. Long story follows, copy and paste this somewhere you can get it when ever you need to refresh your memory.
Back to every other note;
Cmaj7 chord = C, D,
E, F,
G, A,
B notes of the C major scale.
Taking the C major scale and using every other note gave us the Cmaj7 chord. On top of that we can make other chords by adding or changing some of the notes. To make them minor, augmented, diminished, etc. for the minor chord the 3 and usually the 7 are flatted (b3 b7). Augmented the 5th note of the scale is sharped (5#) and for diminished the 3, 5 & 7 are flatted. This will help:
http://www.smithfowler.org/music/Chord_Formulas.htm
I've placed the major scale box pattern down a screen or two. That box pattern was a large WOW and opened many new doors for me. Use as much as you need. I suggest you get some of the chord tones (patterns) you normally see in your music into muscle memory. D7 coming up and your fingers are already going to the notes you need for a bass line under that D7 chord. First you have to find a D note on your fret board, if you are playing chord names I suggest you find that D note in first position (first 5 frets of the fret board). So memorize where the notes are in first position. I let C be my home base. Where is there a B? Yep back a fret. Where is there a D? You'll find that toward the bridge two frets. Yes you can also find D's other places, like the open D string. I do not use open strings and have elected to use fretted notes, it's your choice do what is best for you.
OK that is how you find notes when you are looking for the "name" of notes, i.e. A, B, C's. When we move into scales I find my root and then think in 1, 2, 3's or scale degree numbers. Keep reading. The following goes into detail what numbers could be added to that D - like a 3-5-b7 are the notes needed to make that D chord into a D7 dominant seven chord. All 3-5-b7 scale degree notes will be found inside the box just waiting on you. Take heart, right now just pounding out D roots is step one. Couple of months from how you can get into the 3-5-b7.
Major Scale Box showing the root note on the E string.
.......Index...Middle..Ring....Little
G~~|---2---|-------|---3---|---4---| 1st string
D~~|---6---|-------|---7---|---8---|
A~~|---3---|---4---|-------|---5---|
E~~|-------|---R---|-------|---2---|4th string
You may recognize this pattern with dots.
Adding the numbers lets the pattern come alive.
Right at first get the four fret, four finger pattern
into your bag of tricks.
Cmaj7 chord coming up in the song. Find a C note on the 3rd or 4th string and put this box's R over that C note. Then play the "spelling" for the Cmaj7 chord. That spelling is listed below and it is R-3-5-7. If you wanted to play the C major scale, that spelling is R-2-3-4-5-6-7.
Basic Chord Spellings
- Major Triad = R-3-5 for the C chord.
- Minor Triad = R-b3-5 for the Cm chord.
- Diminished Chord = R-b3-b5 for the Cdim chord.
7th Chord Spellings
- Maj7 = R-3-5-7 for the Cmaj7 chord.
- Minor 7 = R-b3-5-b7 for the Cm7 chord.
- Dominant 7 = R-3-5-b7 for the C7 chord.
- ½ diminished = R-b3-b5-b7 for the Cm7b5 chord.
See a chord and play it's chord tones. As every key will have three major, three minor and one diminished chord it's a good idea to get your major, minor and diminished bass line chord tones into muscle memory so when you see a chord your fingers just know what will work. Now the song may only give you enough room for the root, or root five - adapt and get as many chord tones into your bass line as needed. Root on the first beat and a steady groove from the other chord tones plus something to call attention to the chord change is what we do. Need more insert a 5. Need more insert an 8 for a generic R-5-8-5 bass line. Generic - all chords have a root and the 8 is another root in the next octave up so the R and the 8 are generic and will be safe with your chord. The 5 is found in
most every chord and the ole R-5 has been used in a zillion songs. R-R-R-R or R on the first beat and 5 on the third beat and then there is that 8 you can throw in. Is there more? Yes, but this is enough for now.
Scale Spellings Yep, gotta do our scales so our fingers know where the notes are and our ears get used to the good and bad sounds. Scales are a right of passage thing. Got to know them, however, chord tones is what we get paid to play.
- Major Scale = R-2-3-4-5-6-7 Home base
- Major Pentatonic = R-2-3-5-6 Leave out the 4 & 7
- Natural Minor Scale = R-2-b3-4-5-b6-b7 Major scale with the 3, 6 & 7 flatted.
- Minor Pentatonic = R-b3-4-5-b7 Leave out the 2 & 6.
- Blues = R-b3-4-b5-5-b7 Minor pentatonic with the blue note b5 added.
- Harmonic Minor Scale = R-2-b3-4-5-b6-7 Natural minor with a natural 7.
- Melodic Minor Scale = R-2-b3-4-5-6-7 Major scale with a b3.
Let the major scale be your home base then change a few notes and you have something different. No need to memorize a zillion patterns. Let the major scale pattern be your go to pattern - then adapt/adjust from there.
After you get this we will get into using that to make songs.
See a chord coming up in the song and your fingers already know where to go. The box and chord/scale spellings will get your fingers moving where they should be. See a chord -- I'm sure you can not hear and identify a chord right now so we mortals use sheet music to show us what chord is active in the song. From that we compose
our bass line. So see a chord:
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Start pounding out roots in first position, and when that get comfortable add the 5th. From the root where will the 5th be? Up a string and toward the bridge two frets - always, that is where 5th live. Go look at the major scale box I gave you. Where is the 8 in relation to the root? Yep one string up same fret as the 5. Don't worry about anything more than roots and fifths for several months. Plenty of time to get into the 3, 5, b7 scale degrees later.
What I've given you could take half a year to work through. Take it a little at a time. Have fun.