The song "Hologram" by Revolverheld is about the singer expressing their inner thoughts and emotions to the world. They feel like they are just a hologram or a clone without an original identity. They want to show their true self and fight for justice and change in their life. The lyrics touch on themes of feeling lost, struggling to sleep, and searching for meaning and purpose. The singer wants to break free from their cold and neutral existence and start truly living. The song conveys a sense of vulnerability, desperation, and a desire for a deeper connection with the world around them.