I think you must be remembering the C64 version instead of this ZX one.

muyuu · on Sept 30, 2013

I remember these two and the Amiga versions (A500, Amiga CD). He played it with a symphonic orchestra too.

But yeah, out of these I think the Amiga/C64 title screen tune is the best, and then the first level (by Whittaker, basically the same tune across versions).

This one:

Amiga CD https://www.youtube.com/watch?v=qDlvga_j0Ks

symphonic re-arrangement https://www.youtube.com/watch?v=zwLFjFD3sak