When was the 3rd album "Notes from the Underground" of the band "Hollywood Undead" released?

The 3rd album "Notes from the Underground" by the band Hollywood Undead was released in 2013. This album marked a significant point in the band's career, showcasing their unique blend of rap-rock and alternative metal. It featured a darker and more introspective tone compared to their previous work, with powerful lyrics delving into personal struggles, societal issues, and the band's own experiences. The release of "Notes from the Underground" solidified Hollywood Undead's position in the music industry and furthered their growth as a band.