So, I'm arranging a medly and I'm very new to music, so sorry if this is common knowledge but... I found this chord

enter image description here

I understand it means to add 2 and #4 but, I don't know what it is called. If anyone could tell me what the fraction or whatever it is on the side is called that would be much appreciated.

Also, can I use it in Musescore 3?

Thanks! Have a great day!

  • isn't it just called "G Flat Two Sharp Four"?
    – Legorhin
    Nov 13 '19 at 18:15
  • What do you mean precisely by "I found this chord"? Did you find it on a lead sheet, or similar? Certainly, that symbol is not common. It would be interesting if you can share your source. :)
    – user64480
    Nov 15 '19 at 19:09

This is a G♭ triad with added 2 (A♭) and sharpened 4th (C♮).

(This is completely independent of any key signature - just like a C major triad is always C, E and G (all naturals) whatever the prevailing key signature.)

It's not a chord symbol you'll often see, and yes, I'd expect the 4 to be written above the 2. But it's quite clear. You're being told to play G♭, A♭, B♭, C♮ and D♭. The first half of a G♭ Lydian scale.

Yes, you can do stacked chord extensions in Musescore. It seems tricky though! See if you can make head or tail of this: https://musescore.org/en/node/274113

(Extended chord symbols work a bit differently to figured bass. In figured bass 2 and 4 would imply a third inversion dominant 7th chord. And it's not a Polychord. That means something quite different. I won't go into it here, but you can look it up.)


The numbers on the side are the usually called "figures" and stem from the practice of "figured bass" (it has other names) where a bass note is written and numbers indicate the notes played above the given note. Here the Gb means (as mentioned by the OP), a G flat chord; the 2 and #4 should mean add the second above the Gb and the sharpened fourth. Sans key signature, I'm not sure what these two notes are (some flavor of A and C). I've usually seen this written with the 4 above the 2 but it's unambiguous as shown.

It's really a "tone-cluster"; in this case, 5 consecutive notes played together. It may have a chordal name but its use is more important than the name.

  • Chord Symbols may look a bit like Figured Bass, but they work rather differently. And the key signature makes no difference. The notes implied by a Chord Symbol are absolute. Nov 14 '19 at 13:09

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