MORE ABOUT CHORD PROGRESSIONS:  HARMONIZING AND REHARMONIZING MELODIES WITH CHORD SUBSTITUTION
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In most song harmonization situations, you typically start with a basic I IV V harmonization of the melody, add some vi ii and iii root note substitutions, backcycle to add new harmonies, add some ii-V and tritone substitutions, and extend/alter the chords in the final progression (i.e., the diminished chord is simply a 7b9 extention/alteration).  Here are some examples that demonstrate how to start with I IV V chords and devise increasingly complex harmonizations, for several well known melodies.  Use what you know about jazz soloing to create a solo for each progression!


Jingle Bells:

I                          IV     I        V      V
C    C     C     C         F      C        G      G         I IV V
 
           Am                 Dm      Am  (Em)              Diatonic Subs

     E7              C7             E7  A7 D7    G7         Back Cycle

                 Gm    Gb7                 (Am)     Db7     ii-V,  Tritone

CM7  E7b9  Am7   Gm9 C9 Gb7   Fmaj9 E7b9 A7                 Extended Chords 
CM9  Fdim7     D7#5        Dm         Am9  D9    G7         (7b9 or dim -> min)
     G#dim7    Ab7
     Bdim7
     Ddim7
 
CM7 CM9 | E7b9  Fdim G#dim Bdim | Am7 Ab7 | Gm9  C9(Gb7) | F(add9) Dm7 | CM7 E7b9 Am9 A9 | D9 | G7 Db9 |

More Jingle Bells Substitutions:

C            | Em          | Am          | C           | F           | C               | Dm        | G7     |

C            | E7          | Am          | C    C7     | F    Dm     | C    A7         | D7        | G7     |

C     E7     | Am   A7     | Dm   G7     | C    C7     | F    Dm     | C E7 A7         | D7        | G7     |

Cmaj9 E7(b9) | Am7  A7(b9) | Dm7  G7(#5) | Cmaj7 C9    | Fmaj7 Dm9   | Cmaj9 E7 A7(b5) | Dm D7 Ab7 | G7 Db9 |



Happy Birthday:


| C       | G            | G         | C            | C           | F        | C  C  G  | C |


| C Am Dm | G Em A7b9    | Dm G7 Db7 | C Em D7b9    | Gm C7 C#dim | F Dm Db7 | Am D7 G7 | C |


| C Am Dm | G Em7b5 A7b9 | Dm G7 Db7 | C Am7b5 D7b9 | Gm C7 C#dim | F Dm Db7 | Am D7 G7 | C |


| I iii vi | V V7 bIIdim7 | ii V7 V7#5 | I ii V7 | I I7 I7#5 | IV ii iv | iii vi V | I |



Have Yourself a Merry Little Christmas:

C         | G      | C       | G        | C       | F       | C        | F         | G      | C

C     Am  | Dm  G  | Em A7b9 | Dm  G    | Em      | Dm      | Am  C7   | F         | G7     | C

Cmaj7 Am7 | Dm9 G7 | Em7 D#7 | Dm7 Db13 | Em A7b9 | Dm Fdim | Am7 C7#5 | Fmaj7 Dm7 | G#9 G9 | Cmaj9
                                                      (E7b9)    

| Cmaj7 Am7 | Dm9 G7 | Em7 D#7 | Dm7 Db13 | Cma7 Am7 | Dm7     | E7 A7 | D7 G7 |

| Cmaj7 Am7 | Dm9 G7 | Em7 D#7 | Dm7 Db13 | Cma7 Am7 | Dm7  E7 | Am    | C7    |

| Fmaj7 Fm  | Em7 Cdim7 | Dm G7#5 | Em E7b9 | Am B7b9 | Em G7#5 | Em  D7 | G7sus4 Db9 |    

| Cmaj7 Am7 | Dm9 G7 | Em7 D#7 | Dm7 Db13 | Em A7b9 | Dm Fdim | Am7 C7#5 | Fmaj7 Dm7 | G#9 G9 |

| Cmaj9 Am7 | Dm Db7 | C |
                                                     


Georgia on my Mind:


C           E7          Am         Dm   G7        C    A7    Dm   G7

    Em7(F#7)Bm9   E7 Bb7     A7(b9)   D7   Db7      EmE7  A7#5  Db7 G7#5
        C9                   Bbdim7



Silent Night:


C      C      G7     C       F       C       F6    C     G7     C        C   G7     CM9
   Em  Am  C                   Dm G7   Gm9 C7(D7 G7)Am D7  G7b9 Am F#m7b5  D7  Db7b9
         A7b9 Dm  G7     C7                    Ab7    D#dimG#dim
         Bbdim                                             Bdim
                                                           Ddim
                                                           Fdim

Amazing Grace:


C        F        C     C     G     C       F     C       C  G    C

Try adding your own substitutions for Amazing Grace here, and use what you know about jazz soloing to create a solo over the chords!