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I was reading a theory book few days ago and I saw that F/C is a Hybrid chord of C .But how ?? I could under stand if it's G/C or Dm/C but isn't F/C just a inverstion ??

  • I don't know about this "hybrid chord" business, but if F is the root, then it is an F in 2nd inversion (e.g. Gm7/D - C7 - F/C), and if C is the root then it is a C6(sus4) (e.g. Dm7 - G7 - F/C - C). – David Bowling Mar 22 '18 at 5:41
  • @DavidBowling what do you mean by in the root ? Are you talking about the bass note ?? You gave me 2 examples and I they kinda look the same. Could you explain it more clear ? Thanks – Hyun Yoo Park Mar 22 '18 at 10:57
  • The root of the chord. C is the root of a C major triad, even if it is a C/G (2nd inversion). The point of the examples was that in the first one F/C is functioning as an F chord in the context of the chord progression, but in the second one F/C is functioning as a C chord in the context of the progression. In other words, F/C can function as an F in 2nd inversion, or it can function as a C6(sus4), depending on the context. – David Bowling Mar 22 '18 at 13:32
  • You might be interested in looking at these related questions. – David Bowling Mar 22 '18 at 13:42
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    It might help if you could quote the definition of a hybrid chord that appears in your music theory book. There are at least a couple different definitions for hybrid chord online, so it’s not well defined. If we see what’s in the book it would help us understand the logic. – Todd Wilcox Mar 22 '18 at 14:50
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Hybrid chord of C? It's written F/C so it's an F chord with a C bass - a second inversion.

Maybe C/F would be a 'hybrid' of C, but when it's a slash chord,and the note after the slash, played as the lowest note, is part of the main chord, it's an inversion.

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    Yes I understand what your saying.But from my book it says that F/C could also be a Hybrid of C.Maybe because we could see as Csus4 6 ?? And isn't C/F hybrid of F ? Because the bass note is the original chord in Hybrid chords ? – Hyun Yoo Park Mar 22 '18 at 10:50
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I think it must just be a misprint. F/C is F major in 2nd inversion.

C/F would be a hybrid chord, C+4 (4th in bass).

  • C/F is not Csus4 since it still has a 3rd in it; it would be a Cadd11 – David Bowling Mar 22 '18 at 20:00
  • @DavidBowling my bad, just meant an add 4. Have edited in answer – Ben Hughes Mar 22 '18 at 20:09
  • Technically your nomenclature here reads “C augmented 4th”. It should read as David Bowling said. – jjmusicnotes Mar 23 '18 at 11:14

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