Workarounds that will allow Logic Pro X users to participate in the reverse-engineering process (almost) as if they had a Logic 9 install.
<aside>
ℹ️ Make sure that you have downloaded ALL additional Logic content beforehand!
</aside>
Hold the Option key before clicking on an empty instrument / audio FX slot. You will be able to see a folder named “Legacy” containing hidden plug-ins from older versions of Logic.