The first thing the man does after killing his girlfriend is sleep with her. Next, he eats her heart. After returning from the dead, his girlfriend does the same to him and they go on a murderous rampage in a church, before getting married. This is one of the more immoral and violent songs by Avenged Sevenfold, even though most metal bands tend to have violent music by nature (as one commenter pointed out on the "Cute Without the-E song"). The way the band contrasts the violence with serenading violins and cellos makes this song feel less aggressive, as if attempting to make the acts taking place in the story appear less gruesome and more beautiful. However, if it weren't for the shock value of being about necrophilia, I doubt "A Little Piece of Heave" would have earned over 10 million views on YouTube. It is an okay song and a decent music video, but it has received more views from words of mouth like "dude, have you heard this song by A7F? It's about sex with dead people. Friend: Sweet, let me see!"
The theme of necrophilia is quite popular in metal music because of its obscenity. Few concepts are more immoral and appalling than sexual acts involving dead humans. Monstrous and necromantic, it draws the attention of many metal bands who want to show how talented they are at songwriting and shocking. The German industrial metal band Rammstein hailed for it song "Du hast" wrote a necrophilic song of its own entitled "Heirate mich" which translates to "Marry me". It tells the story of a lonesome grave robber who digs up his dead lover to screw her by the chapel. This theme is taboo, and will always have a shock value in songs and in movies.