Q: Logic Express 9

I have a somewhat complicated question.  I currently have Logic Express 9.1.8 on my mid-2012 MacBook Pro with El Capitan 10.11.3.  I also have a copy of Logic Studio 8 and Logic 7.  I have the verification key for Logic 8, but not Logic 7.  I’d like to use everything from Logic Studio 8 in Logic Express, but that version isn’t compatible with El Capitan.  Is there a way to use the content from Logic Studio 8 in Logic Express 9?