how can I do overdub with ardour3 ?

hello, I’m french and I would like to know how to fix this problem to move to linux ?? So How can I do loop with ardour3 with jack ??

I’m beginner

thank you

Nicolas

You can do overdub by recording a track, then playing back this track while recording a new one.

Why use Ardour 3 when it’s up to 4.7 now?
(not that Ardour 3 can’t do overdubs, but 4 is better all round)