1987
3.5 minutes of stereo CPC bliss. Music starts at 2:19.
https://www.youtube.com/watch?v=JtCdbsAGtN4&t=11s (https://www.youtube.com/watch?v=JtCdbsAGtN4&t=11s)
Amstrad Computer User and Amstrad Action reviews of The Advanced Music System:
https://archive.org/details/AmstradComputerUser23-1086/page/n29 (https://archive.org/details/AmstradComputerUser23-1086/page/n29)
https://archive.org/details/amstrad-action-013/page/n23 (https://archive.org/details/amstrad-action-013/page/n23)
Rob Baxter letters to ACU and AA:
https://archive.org/details/AmstradComputerUser38-0188/page/n13 (https://archive.org/details/AmstradComputerUser38-0188/page/n13)
https://archive.org/details/AmstradComputerUser41-0488/page/n9 (https://archive.org/details/AmstradComputerUser41-0488/page/n9)
https://archive.org/details/amstrad-action-045/page/n9 (https://archive.org/details/amstrad-action-045/page/n9)
Other info:
http://www.cpcwiki.eu/index.php/The_Advanced_Music_System (http://www.cpcwiki.eu/index.php/The_Advanced_Music_System)
https://www.cpc-power.com/index.php?page=staff&lenom=Rob%20BAXTER (https://www.cpc-power.com/index.php?page=staff&lenom=Rob%20BAXTER)
With thanks to @Nich (http://www.cpcwiki.eu/forum/index.php?action=profile;u=53)
Not emulated - original hardware and software.
Please note that the aspect ratio for this YouTube video is 16:9 but the CPC monitor has an aspect ratio of 4:3 so you may wish to adjust your viewing device accordingly.