1 in the LH/bass
When there is a 1 being played in the bass, just about any scale degree chord can go with it. The ones I feel work the best are the: 1 chord, 2 chord, 3 chord, 4 chord, and 5 chord
C / C-E-G (C)
C / D-F-A (Dm/C)
C / E-G-B (CM7)
C / F-A-C (F/C)
C / G-B-D (G/C)
Here are some altered chords that go good with 1 in the bass:
C / C-D-E-G *altered 1 chord in the RH; Cadd9
C / C-D-G *altered 1 chord in the RH; Cadd2 or C2
C / C-F-G *altered 1 chord in the RH; Csus4
C / C-G *altered 1 chord in the RH; C5 (also called a power chord)
C / C-E-G-Bb *altered 1 chord in the RH; C7
C / Bb-E-A-C *altered 1 chord in the RH; C13
C / Ab-C-D-F *altered 2 chord in the RH; Dm7(b5)/C
C / D-F#-A *altered 2 chord in the RH (also a secondary dominant chord); D major in RH, together with the LH forms a D7; D/C
C / G-Bb-D-F *altered 5 chord in the RH; Gm7 in RH; Gm7/C
C / Bb-D-F *altered 5 or 7 chord in the RH; Bb major in RH, acting as a Gm7 chord without the root or a Cm11 without the thrid; Cm11 or Bb/C
4 in the LH/bass
When there is a 4 being played in the bass, the ones I feel work the best are the: 1 chord, 4 chord, 5 chord, and 6 chord
F / C-E-G (C/F)
F / F-A-C (F)
F / G-B-D (G/F, together with the LH forms a G7, also a secondary dominant chord)
F / A-C-E
Here are some altered chords that go good with 4 in the bass:
F / Ab-C-D-F *altered 2 chord in the RH; Dm7(b5)/F
F / F-G-A-C *altered 4 chord in the RH; Fadd9
F / F-G-C *altered 4 chord in the RH; Fadd2 or F2
F / F-B-C *altered 4 chord in the RH; Fsus4
F / F-C *altered 4 chord in the RH; F5 (also called a power chord)
F / Eb-G-A-C *altered 4 chord in the RH; F9
F / Eb-G-A-D *altered 4 chord in the RH; F13
F / Bb-D-F *altered 5 or 7 chord in the RH; Bb major in RH; Bb/F
7 in the LH/bass
When there is a 7 being played in the bass, the ones I feel work the best are the: 2 chord and 5 chord
B / D-F-A (Bm7 b5)
B / G-B-D (G/B)
Here are some altered chords that go good with 7 in the bass:
B / A-D-E *altered 2 chord in the RH; Dm sus2 in RH; Bm11
B / F#-A-C#-E *altered 2 chord without the root in the RH; F#M7 in the RH; Bm11
3 in the LH/bass
When there is a 3 being played in the bass, the ones I feel work the best are the: 3 chord, 5 chord, and 7 chord
E / E-G-B (Em)
E / G-B-D (G/B)
E / B-D-F (Em7 b9, no third)
Here are some altered chords that go good with 3 in the bass:
E / E-G#-B-D *altered 3 chord in RH; E7
E / G#-C-D-E *altered 3 chord; E7 #5
E / G#-C-D-G *altered 3 chord; E7 #5/#9
E / F-G#-B-D *altered 5 or 7 chord in the RH; G#dim7 in the RH; E7 b9
6 in the LH/bass
When there is a 6 being played in the bass, the ones I feel work the best are the: 1 chord, 3 chord, 4 chord, 5 chord, and 6 chord
A / C-E-G (Am7)
A / E-G-B (Em/A)
A / F-A-C (F/A)
A / G-B-D (G/A)
A / A-C-E (Am)
Here are some altered chords that go good with 1 in the bass:
A / G-B-C-E *altered 1 chord in the RH; CM7 in RH; Am9
A / G-Bb-C#-E *altered 1 or 3 chord in the RH; C#dim7 or Edim7 in RH; A7 b9
A / B-C-D-G *altered 1 or 5 chord in the RH; Am11
2 in the LH/bass
When there is a 2 being played in the bass, the ones I feel work the best are the: 2 chord, 4 chord, and 6 chord
D / D-F-A (Dm)
D / F-A-C (Dm7)
D / A-C-E (Am/D)
Here are some altered chords that go good with 2 in the bass:
D / F#-A-C-E *altered 2 or 4 chord in the RH; F#m7 b5 in RH; D9
D / F#-A-C-Eb *altered 4 or 6 chord in the RH; F#dim7 or Adim7 in RH; D7 b9
D / E-G#-B *altered 3 chord in the RH; E major in RH, also a secondary dominant; E/D
D / A-C-E-G *altered 6 chord in the RH; Am7 in RH; Am7/D or D11 without the third
5 in the LH/bass
When there is a 5 being played in the bass, the ones I feel work the best are the: 1 chord, 4 chord, 5 chord, and 7 chord
G / C-E-G (C/G)
G / F-A-C (F/G)
G / G-B-D (G)
G / B-D-F (G7)
Here are some altered chords that go good with 5 in the bass:
G / F-A-C-E *altered 4 chord in the RH; FM7 in RH; FM7/G
G / G-A-B-D *altered 5 chord in the RH; Gadd9
G / G-A-D *altered 5 chord in the RH; Gadd2 or G2
G / G-C-D *altered 5 chord in the RH; Gsus4
G / G-D *altered 5 chord in the RH; G5 (also called a power chord)
G / F-G-C-D *altered 5 chord in the RH; G7sus4
G / F-G-B-D# *altered 5 chord in the RH; G7 #5
G / B-D#-F-A# *altered 5 chord in the RH; G7 #5/#9
G / F-B-E-G *altered 5 chord in the RH; G13
G / F-G#-B-D *altered 5 or 7 chord in the RH; G#dim7 or Bdim7 in RH; G7 b9