What is monday left me broken?

"Monday Left Me Broken" is a song by the American electronicore band I See Stars. It was released on their second studio album, "The End of the World Party," in 2011. The song features a mix of electronic elements, aggressive vocals, and heavy breakdowns. The lyrics touch on themes of heartbreak and betrayal, with the protagonist feeling broken and lost on a Monday. The song has been praised for its powerful lyrics and intense musical arrangement.