Locomotive BASIC - Music Synthetiser & Sound Effects Plotter by R.

[ComSoft6128]

This is the sound you'll hear when fighting off hordes of alien scum......

Type-in from the December 1984 issue of 'Your Computer' magazine.
The program is Listed at end of video.

Original article:
https://ia902902.us.archive.org/20/items/your-computer-magazine-1984-12/YourComputer_1984_12.pdf

Other links:
https://www.cpc-power.com/index.php?page=detail&num=6148
https://cpcrulez.fr/applications_music-music_synthesiser_YR.htm
https://www.cpc-power.com/index.php?page=staff&lenom=R.%20MITCHELL

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.