Back in the day I had a sampler cd of HDCD stuff on there was an alternative version of Frank Zappa's Inca Roads. It was not a zappa cd, it was a compilation. I am talking years ago mind, probably 20.
By chance does anyone have it?
I think it might be this one
https://www.discogs.com/release/6962275-Various-Special-20th-Anniversary-Celebration-Disc