[1] The Brazilian version only allows bands or groups to compete, not solo artists and duos, to avoid clashing with The Voice Brasil (also produced and broadcast by TV Globo during the Southern Hemisphere spring).
The first band to perform, chosen by a coin toss before the show, sings with the wall up and sets the benchmark for the second contestant.
[4] On March 24, 2014, Globo officially confirmed the three experts: Latin Grammy Award–winning singer Ivete Sangalo, singer–songwriter and actor Fábio Jr. and Capital Inicial frontman Dinho Ouro Preto.
[5] For the second season, Sandy, Thiaguinho and Paulo Ricardo replaced Ivete Sangalo, Fábio Jr. and Dinho Ouro Preto as experts.
The series premiere was characterized by many technical failures as the SuperStar app did not work for many users, preventing public involvement.
[6] There was also plenty of criticism reserved for hosts Fernanda Lima and André Marques, who failed to control the stage, and for the experts Ivete Sangalo, Fábio Jr. and Dinho Ouro Preto, for their lack of objectivity and anxiety in their speeches, sometimes contradictory.