"Doo Doo Doo Doo Doo (Heartbreaker)" is a song by the band Gov't Mule. The lyrics of the song touch upon several social issues prevalent in New York City during the time it was written. The first verse speaks about a case of mistaken identity where the police, in their pursuit, end up killing a young boy in the park. This highlights the problem of police brutality and injustice. The second verse introduces a ten-year-old girl who is seen injecting drugs in her arm on a street corner. The tragic outcome of her addiction is portrayed when she dies in an alleyway. The lyrics suggest that her lack of opportunities and support contributed to her unfortunate circumstances. The chorus, "Heart breaker, heart breaker, she stuck the pins right in her heart," emphasizes the pain and despair experienced by both the young boy and the girl. It could symbolize the various ways in which society breaks the hearts and dreams of its vulnerable members. The phrase "heart breaker with your .44" is repeated throughout the song, referring to the weapon used by the police and highlighting their violent actions and its consequences. Overall, "Doo Doo Doo Doo Doo (Heartbreaker)" sheds light on the harsh realities of urban life and the systemic issues that contribute to the suffering and heartbreak experienced by individuals in society, particularly in New York City.