Lyric discussion by sofiaz 

Cover art for If I Had a Heart lyrics by Fever Ray

I think the song is about greed. Greed never has enough. It doesn't have a heart or a voice just a need for more.

Song Meaning

@sofiaz I agree with this analysis. I think she's singing as a representation or personification of something like greed, evil hence why she sings if I had a voice, I would sing