Global Bass Online June 2002
Global Bass Online June 2002
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by George Urbaszek
Four-Note
Chords Four-note chords have scale tones 1 3 5 7, i.e.
consecutive thirds below the octave. The chords with an added sixth (six-chords)
are comprised of two consecutive thirds, then a wholetone. The thirds, fifths
and sevenths can be lowered by a semitone. The fifths can also be raised by a
semitone. This
table has the chord type, the formula (which uses the major scale as the
reference) the cord symbols off chord root C, the notes off chord root C: ·
Major 7
1 3 5 7
Cmaj7
C E G B ·
Major 7
(#5) 1 3 #5 7
Cmaj7(#5), Cmaj7aug, Cmaj7+
C E G# B ·
Major 7
(b5) 1 3 b5 7
Cmaj7(b5)
C E Gb B ·
Dominant
7 1 3 5 b7 C7
C E G Bb ·
Dominant
7 (#5) 1 3 #5
b7 C7(#5),
C7aug, C7+
C E G# Bb ·
Dominant
7 (b5) 1 3 b5
b7 C7(b5)
C E Gb Bb ·
Minor 7
1 b3 5 b7 Cm7, Cmin7, C-7
C Eb G Bb ·
Minor
7(b5) 1 b3 b5
b7 Cm7(b5), C
half-dim, CÆ
C Eb Gb Bb ·
Minor
major7 1 b3 5
7 Cm maj7, C min maj7
C Eb G B ·
Diminished
7 1 b3 b5 bb7 Cdim7, C°7
C Eb Gb Bbb Six-chords ·
Six
1 3 5 6
C6
C E G A ·
Minor Six
1 b3 5 6 Cm6,
Cmin6, C-6
C Eb G A The
four-note chord is the most commonly used chord in modern music. Therefore it is
important to know the twelve chord types listed in all keys. I
recommend playing each four-note chord on the piano or guitar to hear its
complete sound. Then play the chord as an arpeggio on the bass. But
hey!…don’t just go for a one-octave arpeggio, play it up and down through
two octaves. This will get you moving around the instrument and improve your
dexterity. Initially
play only one chord type for two to three days. This one-sound saturation will
enable you to internalize and recognize the quality of each chord’s sound. So,
three chords per week give you a month’s work. Just enough before checking in
for the next lesson. Until
then … Bass of Luck!
George Urbaszek
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