In the beginning, the chart was published monthly by Billboard Brasil since the release of the magazine, in October 2009.
[1] It is the top 100 songs, both national and international titles, the most varied genres, computed based on the total number of executions in the period indicated and the grid base stations Crowley, that monitors 256 radio stations located in the grid-base stations,[2] made from Monday to Friday from 7 am to 7 pm.
This grid includes the cities of São Paulo, Rio de Janeiro, Brasília, Campinas, Ribeirão Preto, Belo Horizonte, Curitiba, Porto Alegre, Recife, Salvador, Florianópolis, Fortaleza, Goiânia, Campo Grande, Cuiabá and the Triângulo Mineiro, Vale do Paraíba and Paulista Littoral mesoregions.
The site features the Top 100 Brasil, with the top 100 performing songs of the week, and charts with the 10 songs most played by genre (National Pop, International Pop, National Pop/Rock, Pagode, Sertanejo, Forró, Funk/Black Music/Rap, Latin and MPB).
"I Want to Know What Love Is" by Mariah Carey is the longest running number 1 (27 weeks), followed by Beyoncé's "Halo" (the most played song in the country in 2009).