Are Lupe Fiasco & Curren$y stashing up Tracks?

This is certainly not the first time we're hearing about Curren$y and Lupe possibly working together but looking at this tweet by Curren$y, that he made after bumping into Lu backstage at the Openair Frauenfeld yesterday, it looks like they eventually already have some tracks in the stash which are just waiting to be released...

to be continued...