Repertório translates to "repertoire" in English. It's an interesting word because it's not commonly found in everyday conversation, especially in the context of a breakup song.
In "Carreira Solo," Gusttavo Lima uses it metaphorically to describe changing his "repertoire" of romantic partners, implying he's moving on from his past relationship and embracing a new chapter as a single man. This clever use of the word makes it memorable and adds a unique twist to the song's theme.
"Carreira Solo" is Gusttavo Lima's tongue-in-cheek anthem about bouncing back from heartbreak. The title plays on the phrase "going solo," as if being single again were a fresh career move rather than a loss.
The singer's heart is tired of getting hurt by someone who never really wanted to love him back. Instead of moping, he decides he is better off alone with a cold beer and no curfew for coming home from the bar. Whenever anyone assumes he must be suffering, he shrugs it off: he already turned the page.
The song leans into its live, party atmosphere, with playful ad-libs, a joking "ambassador of love" cameo, and calls out to the crowd in Cariri to make noise. It is less a sad breakup song and more a celebration of moving on and having a good time doing it.