‘Glee Curse’: Did Naya Rivera, Mark Salling, Cory Monteith Predict Their Own Deaths Thru Songs Performed on the Show?

Despite no scientific evidence or anything at all to prove the initial assumptions, it seems that conspiracy theorists have yet another theory concerning the death of Glee stars, Cory Monteith, Mark Salling, and Naya Rivera. Did the songs they sang in Glee indeed foreshadow their deaths?