About mDecks Music

mDecks Music Music Apps and Books created by musicians for musicians.

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  1. Hello,

    I bought the “Upper Structure Triads Piano Voicings” bundle and it is very interesting and inspiring.
    I have a problem with the following thing though .
    In the UST Vol 1 for example, why is there a “M” ( uppercase ) to indicate a minor 7 chord ?
    Page 32 it is written :

    Preparing the IV of IIm7

    AM7 IV of IIM7 and then Major triad

    instead of (if i’m not wrong) :

    Am7 IV of IIm7 and then Major triad

    All examples that follow are the same.
    Or did I miss something ?
    Thanks for your answer



    1. Yes, the font we were using back then did not have a lower case m so I used a smaller font with the uppercased M (it’s something to fix in a future edition of the book) I got so used at seeing the small M that I forgot about it. Just remember that the major triads never have an M. Thanks for the feedback.


  2. Hello,
    First excuse my basic English.
    I am trying to start to use the great books TJSPB Reharm version and understand the analysis.

    I found on page 6:
    4. A dotted bracket indicates a II-SubV or a SubII to V progression
    In the image correspond to Cm7 to B7 chords
    – Can you please explain what SubV and SubII means?
    – The mentioned “II” seems to be the “Cm7”. II is a major chord. Cm7 is minor so it should be “ii” instead of “II”?
    – Cm7 is the second (II or ii) grade of Bb?

    I am confused with subV, etc.

    Any help is appreciated.



    1. I think you should watch the videos on our youtube channel we explain all the concepts in detail.
      But basically arrows indicate dominant to tonic, brackets subdominant to dominants
      Solid lines indicate movements of Perfect fifths down and dashed lines movements of half step down.


  3. I purchased the Target Notes and Upper Structures add-ons.
    The Target Notes menu appears in a dark mode making it extremely difficult to see.
    The Upper Structures menu is white initially and turns dark when “Show Upper Structures” is selected. Please help.

    Sys: MacBook Pro 2010 OS Version: High Sierra 10.13.6 (17G8037)

    Thank you


    1. Hi Michael, I have already fixed it and sent it to the MacAppStore for review. It usually takes one or two days to become available. If you bought it from us it is already there. Thanks for the feedback.


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