I’m Toru Hoshino, an upright and electric bassist and instructor based in Tokyo.
Today I want to cover something I get asked about a lot in lessons:
the difference between chord tones and scales.
A lot of players find this stays fuzzy no matter how long they’ve been playing.
Both are essential for playing bass, but they’re actually used in slightly different ways.
Contents
Chord Tones
Let’s start with chord tones.
A chord tone is a note you use when playing a given chord.
For example, a C major chord contains the notes C, E, and G.
Those three notes are the “chord tones.”
You use chord tones to build a bass line that follows the progression of the tune.
The more often you use chord tones, the more your line locks in with the chord changes.
Scales
A scale, on the other hand, is a group of notes arranged in order.
A C major scale, for instance, is C-D-E-F-G-A-B-C — eight notes in a row.
Using a scale lets you build melodies and solos freely, without being tied down to the chord.
Since a scale includes notes outside the chord as well, it gives you a much wider palette to play with.
To sum it up: think of chord tones as “stable notes,” and scales as “notes you’re free to use.”
Both matter, and once you learn when to reach for each one, playing bass gets a lot more fun!
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This is exactly the kind of thing that’s hard to fix alone — and where having a teacher makes all the difference.
At Line on Bass, I offer an online lesson service where you send me a video of your playing, and I give you specific, detailed feedback — every single day if you want.
Students from around the world are using this to fix exactly these kinds of issues and steadily improve their jazz bass skills.