Grupo Firme's song 'Deseo' is a poignant exploration of heartbreak and the complex emotions that follow a painful breakup. The lyrics are steeped in a mixture of bitterness and longing, as the narrator expresses a series of harsh wishes for their former lover. These wishes are not born out of malice but rather from a place of deep hurt and a desperate desire for reconciliation. The narrator hopes that their ex-partner experiences the same pain and loneliness they are feeling, ultimately leading them back into their arms.

The song's lyrics are filled with vivid imagery and metaphors that convey the depth of the narrator's anguish. For instance, the line 'Que usen tu cuerpo, al igual que un objeto' (That they use your body, just like an object) highlights the dehumanizing experience the narrator wishes upon their ex, reflecting their own feelings of being used and discarded. The repeated desire for the ex-partner to be left alone and crying underscores the narrator's own sense of abandonment and isolation.

Grupo Firme, known for their regional Mexican music style, often delves into themes of love, heartbreak, and resilience. 'Deseo' is no exception, as it captures the raw, unfiltered emotions that come with the end of a significant relationship. The song's emotional intensity is amplified by the band's passionate delivery and the traditional instrumentation that accompanies the lyrics. Through 'Deseo,' Grupo Firme offers listeners a cathartic outlet for their own experiences of love and loss, making it a relatable and powerful piece of music.