The controversial video, “Closer,” features the band in what appears to be a mad scientist’s laboratory and features scenes of a scared monkey tied to a cross, a spinning severed pig’s head, and a heart connected to a device, pulsating to the beat of the song. According to lead singer Trent Reznor, the music is about a man using his sexual relationship with a woman to cure his depression. The song itself was hugely successful worldwide, with the music video helping it stand out amongst the heavy pop and ballad presence abundant in the charts.