Re: "alt" notation for chords

[Simon Albrecht]

Am 26.02.2017 um 16:32 schrieb Rob Torop:
> I realize that this would pose a problem for midi generation since (I 
> think) such a chord is non-deterministic. That is, the person comping 
> has a choice between (sharp 5, sharp 9), (sharp 5, flat 9), and two 
> others. I know I could just pick on and write, e.g., g:7.5-.9+, but 
> I'd rather not.

I guess I’d suggest something like
\chords {
\once\override ChordName.Text = \markup { G \super { 7 alt } }
g:7^5
}

HTH, Simon