Pignataro's work was often described by critics as Informalism,[3][4][5][6][7][8] lyrical abstraction,[9][10] having an oriental influence,[9][11][7] kinetic art,[12] and hard to categorize.

His artwork most commonly features oil painting, paper collage, and assemblage techniques, all of which he often combined into texture-rich art pieces.

"Con la corneta" was featured on the front page of the LRA Radio Nacional program guide (November issue, 1958).

The jury was made up of some notable Argentine art critics and artists: Raul Soldi, Jorge Larco, Córdova Iturburu, Eduardo Eiriz Maglione and Manuel Mujica Láinez.

[17][18] Soon after this, Roberto Pignataro quit participating in art contests, moving the focus of his career exclusively to solo exhibitions.