This program is likely from the mid to late Eighties and is more like the theme music (by Giorgio Moroder) from the grim film "Midnight Express" than any "melody".
The sound of BASIC............
https://www.youtube.com/watch?v=7dE62wAB1OI
Links:
https://www.cpc-power.com/index.php?page=detail&num=9655
https://en.wikipedia.org/wiki/Midnight_Express_(film)#Soundtrack
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.