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in the lesson 014 (rhythm) and 015 (lead) Brian says that the ragtime piece consists of two parts. The first one is “in the key of E” and then starts the second half that would be a sort of “A part” of the songs (as Brian himself claims).
By analyzing what he plays and/or says through the 014 and 015 episodes, the chords involved are:
1st half → key of E (major)
Chords used: E / C#7 / F#7 / B
Accordin to the harmonization of the E MAJOR SCALE (see attachment), that scale generates the folowing chords (depending on the 7 degrees of the E major scale):
I) E major ←
II) F# minor ←
III) G# minor
IV) A major
V) B major ←
VI) C# minor ←
VII) D# diminished
The questios are: how in the world can Brian play those C#7 and F#7 chords, that are MAJOR instead of MINOR? Despite they sound “good”, aren’t they “theoretically wrong”?
Second question: C#7 chord is formed by C# – F – G# – B notes… So how can Brian improvise using the E major/minor scales if those two scales don’t contain any “F” note at all?
Let’s focus now on the 2nd half of the piece. Brian says we switch to a kind of “A part”. If it means that we’re playing through an “A major scale”, we should have (same process we did with the previous E major scale – see again the chart in the attachment):
I) A major ←
II) B minor ←
III) C# minor ←
IV) D major
V) E major ←
VI) F# minor ←
VII) G# diminished
Where then Brian picks the chords he uses in this portion? He uses, if I remember correctly:
A / Bb°7 (or Bb dim7) – according with his fingering / C#7 / F#7 and B
Again: where do those chords pop up from?? Once again the rules of the harmonization of the major scale are broken: the diminished chord should be a G#, not a Bb! The C# should be minor instead of major! The B chord should be minor instead of major…
I’m completely disoriented. Explanations, suggestions and even external links could help.
Thank you for helping!
I hope I’ve made myself clear, unfortunately I’m not a native speaker.
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