Re: Intervals enharmony question

[Hans Åberg]

> On 4 May 2018, at 15:41, Jacques Menu Muzhic <address@hidden> wrote:
> 
> Hello Hans,
> 
> Sorry for not knowing, what does GHB mean in our context?

The Great Highland bagpipe [1]. It is notationally interesting (LilyPond 
supports it) in that the tuning note A has drifted upwards considerably, and 
also, the mixolydian key signature is normally not written out.

1. https://en.wikipedia.org/wiki/Great_Highland_bagpipe

>> The GHB is tuned to an A at around 480 Hz; some confuse it with a Bb.