"O Barulho" is an eclectic and vibrant album showcasing the diverse sounds of Brazilian music. The collection of tracks from various artists seamlessly blends different genres, from samba and bossa nova to funk and hip-hop. The album features popular Brazilian singers and rappers such as Emicida, Criolo, and Karol Conka, who deliver powerful and socially conscious lyrics over infectious beats.
The album opens with "AmarElo", a collaboration between Emicida, Pabllo Vittar, and Majur, which immediately sets the tone for the rest of the album with its catchy chorus and uplifting message. Other standout tracks include "Samba de Verão" by Marcelo D2, which infuses classic samba rhythms with modern hip-hop production, and "Vou Nadar Até Você" by Tuyo, a dreamy ballad with haunting vocals.