Why is D unpopular?

[claptrap]

On Sunday, 1 May 2022 at 14:36:12 UTC, Ola Fosheim Grøstad wrote:
> On Sunday, 1 May 2022 at 08:10:28 UTC, Walter Bright wrote:
>
> Autotune is more about fashion and marketing, being picked up 
> by influential producers, at the time it became a plague the 
> music market was accustomed to "electronic sound" on the radio. 
>  Fairly advanced usage of phase vocoders and pitch-trackers 
> were in use in music prior to this.

There was no automatic pitch correction before AutoTune. There 
were pitch shifters, and offline editing, but nothing automatic 
and real time as far as I remember. Im not even sure phase 
vocoders would have been feasible on dsp hardware in those days.