The Heart of Everything is the fourth studio album by Dutch symphonic metal band Within Temptation, released by GUN Records on 12 March 2007 in Europe. The album follows the symphonic metal sound the band had been improving and deepening until then, and is considered by lead vocalist Sharon den Adel as the album in which the band finally managed to achieve this kind of sound. The album originated a total of five singles. The first and most successful one, "What Have You Done", was released on 14 February and was met with moderate chart success across Europe. The second Read more on Last.fm.