"All I Need" is a power ballad written by Sharon den Adel and Robert Westerholt for Within Temptation's fourth studio album The Heart of Everything (2007).

In an interview, Within Temptation vocalist Sharon den Adel discussed "All I Need":[1] I think lyric-wise this song is something that a lot of people can relate to.

In the end of the video Sharon is shown in a hospital bed with images from the dream sequence flickering on a screen connected to her mind via wires.

And that's basically the video and it just suited best with the lyrics, because it's very difficult to express things which are very symbolic, which you can't really show in images like "hope".

[3][4] During the fourth season of Belgian television show Liefde voor muziek, in which each week guest artists cover a song from another selected artist, the song was covered by Helmut Lotti for den Adel's homage day and later selected for appearing on the official album release from the season.