"It's been seven whole days since you lost your fight," begins Lea Michele's new track, "If You Say So." The song, about her late boyfriend, Cory Monteith, continues, "The fallen hero haunts my thoughts — how could you leave me this way?" In all honesty, the track (from Michele's latest album, Louder) is devastating. The actress-singer previously released "You're Mine," dedicated to Monteith, but this song is written about his passing, and it's clearly more personal. Listen below.