Só os Loucos Sabem

Só os Loucos Sabem (Portuguese for "Only the Nuts Know") is a song by the Brazilian rock band Charlie Brown Jr., it was original released in March 2010 as the second single of the 2009 album Camisa 10 Joga Bola Até na Chuva

Writing
Só os Loucos Sabem was written by the vocalist Chorão in a collaboration by its roommate, the guitarist Thiago Castanho, the song was inspired to an experience that Chorão had in the day of recording of an DVD on Igreja Bola de Neve and the live CD of Rodolfo Abrantes (that this time was recorded in Citibank Hall)

Music video
The Music Video of Só os Loucos Sabem was released on 7 March 2010 with the Direction of Alex Miranda (who also directed the music video of Champanhe and Água-Benta in 2004), according to Vevo, this video become the tenth most watched video in Brazil in 2013

ITunes Brazil
After the death of Chorão, Só os Loucos Sabem was ranked number two between the most fast selling songs of the week in ITunes Brazil

Covers

 * in 2018, the rapper Projota recorded this track as a single on the álbum AMADMOL ao Vivo.
 * in 2020, Família Lima recorded this track on the álbum Música de Domingo II, this time with the special participation of the singer Agnes Nunes.