I need help analysing weird chord progression











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Here is the progression, bar-by-bar (newline after each 4 bar phrase):



Verse:



D | Bm7 | Gmaj7 | Em9



D | Bm7 | Gmaj7 | Fmaj7



Chorus:



Abmaj7 | Abmaj7 | Abm7 | Abm6



Ebmaj7/G | Ebmaj7 | F7 | F7



Fm7 | Fm7 | Fm7b5 | Bo7 Bb7



The chorus is specifically what I'm looking at. My best guess, as somebody still learning harmonic analysis, is the key center is Eb? Looking at the Bb7 at the end of the chorus. I honestly am pretty lost-- I know there's lots of odd modal interchange and stuff.










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    up vote
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    down vote

    favorite












    Here is the progression, bar-by-bar (newline after each 4 bar phrase):



    Verse:



    D | Bm7 | Gmaj7 | Em9



    D | Bm7 | Gmaj7 | Fmaj7



    Chorus:



    Abmaj7 | Abmaj7 | Abm7 | Abm6



    Ebmaj7/G | Ebmaj7 | F7 | F7



    Fm7 | Fm7 | Fm7b5 | Bo7 Bb7



    The chorus is specifically what I'm looking at. My best guess, as somebody still learning harmonic analysis, is the key center is Eb? Looking at the Bb7 at the end of the chorus. I honestly am pretty lost-- I know there's lots of odd modal interchange and stuff.










    share|improve this question







    New contributor




    grehtswoge is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.






















      up vote
      2
      down vote

      favorite









      up vote
      2
      down vote

      favorite











      Here is the progression, bar-by-bar (newline after each 4 bar phrase):



      Verse:



      D | Bm7 | Gmaj7 | Em9



      D | Bm7 | Gmaj7 | Fmaj7



      Chorus:



      Abmaj7 | Abmaj7 | Abm7 | Abm6



      Ebmaj7/G | Ebmaj7 | F7 | F7



      Fm7 | Fm7 | Fm7b5 | Bo7 Bb7



      The chorus is specifically what I'm looking at. My best guess, as somebody still learning harmonic analysis, is the key center is Eb? Looking at the Bb7 at the end of the chorus. I honestly am pretty lost-- I know there's lots of odd modal interchange and stuff.










      share|improve this question







      New contributor




      grehtswoge is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.











      Here is the progression, bar-by-bar (newline after each 4 bar phrase):



      Verse:



      D | Bm7 | Gmaj7 | Em9



      D | Bm7 | Gmaj7 | Fmaj7



      Chorus:



      Abmaj7 | Abmaj7 | Abm7 | Abm6



      Ebmaj7/G | Ebmaj7 | F7 | F7



      Fm7 | Fm7 | Fm7b5 | Bo7 Bb7



      The chorus is specifically what I'm looking at. My best guess, as somebody still learning harmonic analysis, is the key center is Eb? Looking at the Bb7 at the end of the chorus. I honestly am pretty lost-- I know there's lots of odd modal interchange and stuff.







      theory chords chord-progressions






      share|improve this question







      New contributor




      grehtswoge is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.











      share|improve this question







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      asked 5 hours ago









      grehtswoge

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          1 Answer
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          Yes, the chorus is in Eb, and it starts on the IV chord:



          Chorus



          IV7 | IV7 | iv7 | iv***



          I6/5 | I7 | V/V | V/V



          ii7 | ii7 | iiø7 | viio4/3 ** V7



          **Here the Bo7 is operating as an approach from above to the Bb7, as well as arguably adding a tinge of diminished to the Bb7 sound itself (could be construed as a Bb7b9, which actually has all the notes of a Bo7 chord built-in). The reason it is notated as a chord built on degree vii (instead of #V, as B is the #5th note of Eb) is because the notes in Bo7 are also in Do7: B D F Ab -> D F Ab B. Do7 is the fully-diminished leading tone chord in Eb, so I just took it from there and indicated it was in inversion (the 4/3), which gives the correct "layout" of the chord to make Bo7.



          *** The Abm6 could be construed as an inversion of F-7b5 (iiø7) for analysis purposes but I'm leaving it as a minor iv chord for simplicity/practicality.



          And for the verse (D major):



          I | vi7 | IV | ii9



          I | vi7 | IV7 | bIII7



          The Fmaj7 (bIII7) chord is indeed a modal mixture chord (arguably borrowed from D minor).






          share|improve this answer





















          • +1, great answer!! I wondered about that Fmaj7 chord too. Do you think parallel movement could be a possible explanation (moving down a whole step)? It might be helpful to know what the melody does there.
            – jdjazz
            1 hour ago











          Your Answer








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          1 Answer
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          active

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          1 Answer
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          active

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          up vote
          3
          down vote













          Yes, the chorus is in Eb, and it starts on the IV chord:



          Chorus



          IV7 | IV7 | iv7 | iv***



          I6/5 | I7 | V/V | V/V



          ii7 | ii7 | iiø7 | viio4/3 ** V7



          **Here the Bo7 is operating as an approach from above to the Bb7, as well as arguably adding a tinge of diminished to the Bb7 sound itself (could be construed as a Bb7b9, which actually has all the notes of a Bo7 chord built-in). The reason it is notated as a chord built on degree vii (instead of #V, as B is the #5th note of Eb) is because the notes in Bo7 are also in Do7: B D F Ab -> D F Ab B. Do7 is the fully-diminished leading tone chord in Eb, so I just took it from there and indicated it was in inversion (the 4/3), which gives the correct "layout" of the chord to make Bo7.



          *** The Abm6 could be construed as an inversion of F-7b5 (iiø7) for analysis purposes but I'm leaving it as a minor iv chord for simplicity/practicality.



          And for the verse (D major):



          I | vi7 | IV | ii9



          I | vi7 | IV7 | bIII7



          The Fmaj7 (bIII7) chord is indeed a modal mixture chord (arguably borrowed from D minor).






          share|improve this answer





















          • +1, great answer!! I wondered about that Fmaj7 chord too. Do you think parallel movement could be a possible explanation (moving down a whole step)? It might be helpful to know what the melody does there.
            – jdjazz
            1 hour ago















          up vote
          3
          down vote













          Yes, the chorus is in Eb, and it starts on the IV chord:



          Chorus



          IV7 | IV7 | iv7 | iv***



          I6/5 | I7 | V/V | V/V



          ii7 | ii7 | iiø7 | viio4/3 ** V7



          **Here the Bo7 is operating as an approach from above to the Bb7, as well as arguably adding a tinge of diminished to the Bb7 sound itself (could be construed as a Bb7b9, which actually has all the notes of a Bo7 chord built-in). The reason it is notated as a chord built on degree vii (instead of #V, as B is the #5th note of Eb) is because the notes in Bo7 are also in Do7: B D F Ab -> D F Ab B. Do7 is the fully-diminished leading tone chord in Eb, so I just took it from there and indicated it was in inversion (the 4/3), which gives the correct "layout" of the chord to make Bo7.



          *** The Abm6 could be construed as an inversion of F-7b5 (iiø7) for analysis purposes but I'm leaving it as a minor iv chord for simplicity/practicality.



          And for the verse (D major):



          I | vi7 | IV | ii9



          I | vi7 | IV7 | bIII7



          The Fmaj7 (bIII7) chord is indeed a modal mixture chord (arguably borrowed from D minor).






          share|improve this answer





















          • +1, great answer!! I wondered about that Fmaj7 chord too. Do you think parallel movement could be a possible explanation (moving down a whole step)? It might be helpful to know what the melody does there.
            – jdjazz
            1 hour ago













          up vote
          3
          down vote










          up vote
          3
          down vote









          Yes, the chorus is in Eb, and it starts on the IV chord:



          Chorus



          IV7 | IV7 | iv7 | iv***



          I6/5 | I7 | V/V | V/V



          ii7 | ii7 | iiø7 | viio4/3 ** V7



          **Here the Bo7 is operating as an approach from above to the Bb7, as well as arguably adding a tinge of diminished to the Bb7 sound itself (could be construed as a Bb7b9, which actually has all the notes of a Bo7 chord built-in). The reason it is notated as a chord built on degree vii (instead of #V, as B is the #5th note of Eb) is because the notes in Bo7 are also in Do7: B D F Ab -> D F Ab B. Do7 is the fully-diminished leading tone chord in Eb, so I just took it from there and indicated it was in inversion (the 4/3), which gives the correct "layout" of the chord to make Bo7.



          *** The Abm6 could be construed as an inversion of F-7b5 (iiø7) for analysis purposes but I'm leaving it as a minor iv chord for simplicity/practicality.



          And for the verse (D major):



          I | vi7 | IV | ii9



          I | vi7 | IV7 | bIII7



          The Fmaj7 (bIII7) chord is indeed a modal mixture chord (arguably borrowed from D minor).






          share|improve this answer












          Yes, the chorus is in Eb, and it starts on the IV chord:



          Chorus



          IV7 | IV7 | iv7 | iv***



          I6/5 | I7 | V/V | V/V



          ii7 | ii7 | iiø7 | viio4/3 ** V7



          **Here the Bo7 is operating as an approach from above to the Bb7, as well as arguably adding a tinge of diminished to the Bb7 sound itself (could be construed as a Bb7b9, which actually has all the notes of a Bo7 chord built-in). The reason it is notated as a chord built on degree vii (instead of #V, as B is the #5th note of Eb) is because the notes in Bo7 are also in Do7: B D F Ab -> D F Ab B. Do7 is the fully-diminished leading tone chord in Eb, so I just took it from there and indicated it was in inversion (the 4/3), which gives the correct "layout" of the chord to make Bo7.



          *** The Abm6 could be construed as an inversion of F-7b5 (iiø7) for analysis purposes but I'm leaving it as a minor iv chord for simplicity/practicality.



          And for the verse (D major):



          I | vi7 | IV | ii9



          I | vi7 | IV7 | bIII7



          The Fmaj7 (bIII7) chord is indeed a modal mixture chord (arguably borrowed from D minor).







          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered 2 hours ago









          LSM07

          45817




          45817












          • +1, great answer!! I wondered about that Fmaj7 chord too. Do you think parallel movement could be a possible explanation (moving down a whole step)? It might be helpful to know what the melody does there.
            – jdjazz
            1 hour ago


















          • +1, great answer!! I wondered about that Fmaj7 chord too. Do you think parallel movement could be a possible explanation (moving down a whole step)? It might be helpful to know what the melody does there.
            – jdjazz
            1 hour ago
















          +1, great answer!! I wondered about that Fmaj7 chord too. Do you think parallel movement could be a possible explanation (moving down a whole step)? It might be helpful to know what the melody does there.
          – jdjazz
          1 hour ago




          +1, great answer!! I wondered about that Fmaj7 chord too. Do you think parallel movement could be a possible explanation (moving down a whole step)? It might be helpful to know what the melody does there.
          – jdjazz
          1 hour ago










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