Songs that relate to Anne Frank or other people in her diary?

I don’t think this is what you want but it is the only thing I know of.

Neutral Milk Hotel’s In the Aeroplane and over the sea album

*In the aeroplane over the sea I meant

@PretentiousArtist – dang, you beat me to the punch :(

alive with the glory of love by say anything

This isn’t strictly songs, but here’s a Wikilist of a few Anne Frank references: http://en.wikipedia.org/wiki/Cultural_depictions_of_Anne_Frank

“Peat Bog Soldiers” sung by Pete Seeger is a song that was written in one of the camps.

You might also look for a recording of the song “Ani Ma’amin” which is a Hebrew song about believing despite all the horrors that was sung by concentration camp inmates as they went to the gas chambers (as least anecdotally.)