WHOLE PROJECT is your answer =)

keep in mind that the A4 would need something like 10 min to perform this backup…if i remember that my “waiting” correctly…

Anyway, nerdly and paranoidly speaking: it is wise to perform also the other backups…like: i backup WHOLE PROJECT and ALL SOUNDS - ALL KITS - ALL PATTERNS too, indipendently.

Just to have big pieces of that PROJECT to be safe.

Also, if you’re backing up a really important Project, it is good practice also to check that backup…just offering 10 more mins to the inverse process can save yourself from a vale of tears.