As someone who recently spent a few weeks to get acquainted with Reaper, what would be a reason to use Ardour instead?
You might also want to try LMMS. Pair it up with ZynAddSubFX as the synth and you have a pretty competent studio.
Relevant submission: https://midination.com/free-music-production-software/
So many people have "Free means it steals your data" beaten into their heads at this point.
This is of course referring to the general population. I would assume that people on HN have no issues with Libre-Free vs Beer-Free.