Meaning of "Birthday Song" by Grouper

The lyrics of "Birthday Song" by Grouper evoke a sense of inner turmoil and frustration that the narrator is experiencing. The inability to open the door from the outside symbolizes a feeling of being trapped or locked out of something important in the narrator's life. The violent outburst of slamming their body against the door and muscling the knob reflects the intense emotions bubbling up inside, causing the narrator to lose control and become almost animalistic in their actions. The blood dripping on the floor signifies the physical and emotional wounds that result from this internal struggle. Overall, the lyrics depict a moment of intense vulnerability, desperation, and inner conflict.