finding the key, analyzing roman numerals, then soloing on progressions

Define key & roman numerals and Scale for improv

| I | II | IV | V |

| Eb | Fm | Ab | Bb |

—

| I | V7 | I | IV |

| Dm | A7 | Dm | Gm |

—

| bVImaj | bVIImaj | I | I |

| C | D | E | E |

—

| I | IV | I | V |

| Bb | Eb | Bb | F |

—

| I | IV | II | V |

| E | A | F#m | B |

E major scale, E major pentatonic = C#m pentatonic

6th note of a major scale = root of its relative minor

—

| I | VI | III | V7 |

| Em | C | G | B7 |

E aeolian, E min pentatonic

—

| I | V | bVIImaj | IV |

| Ab | Eb | Gb | Db |

Ab mixolydian
Ab major pentatonic
Ab minor pentatonic

—

| I | VII | V | VI |

| G#m | F# | D#m | E |

G# aeolian
G# minor pentatonic

—

| bVImaj | bVIImaj | I | I |

| C | D | E | % |

E aeolian, E mixolydian % %

Em pentatonic % E maj pentatonic %