Analogue Productions SACDs

I asked Microsoft Copilot:  What layers do Analogue Productions Hybrid Multichannel SACDs have? It answered:

Analogue Productions Hybrid Multichannel SACDs typically contain three distinct layers, each serving a different playback purpose:

🧠 Technical Notes

• The CD layer uses the original stereo mix and is mastered for conventional playback.

• The SACD stereo layer offers enhanced fidelity using Direct Stream Digital (DSD), often remastered from analog tapes.

• The multichannel layer is typically derived from original multi-track analog masters (e.g., 15 ips tapes), mixed and mastered in high-resolution PCM (96kHz/24-bit), then upsampled to DSD for SACD authoring.

• These discs are hybrid, meaning they’re backward-compatible with CD players but unlock their full potential on SACD-capable systems.

Good answwrs...

I have 5 different Analog Productions SACD’s and each has a CD layer, a 2ch SACD layer and the 5.1 surround SACD layer. 

@elliottbnewcombjr, @tomcy6, @stereo5 

Thanks very much for your answers!  I'll order one and find out!  KB

Here is a different question on SACD: I have loved the format from the first time I heard it, many years ago. I own two Sony SACD players that were $3000 retail, as I recall, when I acquired them--also many years ago. They are the XA777ES and the XA9000ES. The 777 has been a fantastic workhorse, with thousands of hours on it. The 9000 has been an infrequently used player is a second system. But neither will now play the SACD layer on hybrid CD's. I have read very little on this amazing anomaly of the SACD format. Does anyone have any insight on this issue? TC1