Thanks, I tried rebuilding but it doesn't seem to have made any difference. Here's a couple of screenshots to better illustrate what I'm trying to explain.

The download manager shows this, no matter how many times I install the files either with the manager or in the download folder:

[img]https://ibb.co/hmBs063[/img]

But as you say, it might be that I'm expecting to see real tracks where there shouldn't be any. For example, here's something I generated with the melodist. A MIDI piano is included where I would have expected a real one:

[img]https://ibb.co/TT8VbWY[/img]

Is this in fact normal?

Thank you for your help.