Guilherme Gonçalves leads a jazz group, which privileges not only classical compositions, but also original songs, always giving strong emphasis on improvisation. Among more recent works is the Trio Lado B that specializes in playing songs that are less common in the jazz universe. This Trio started in 2018 in a partnership with guitarist Alexandre Carvalho.

Among the musicians who have passed: Alexandre Carvalho, Glauton Campello, Jose Santa Rosa, Idriss Boudrioua, Marvio Ciribeli, Augusto Mattoso, Felipe Poli, Juliano Candido, Jefferson Lescowich, Rodrigo Vila, Josiel Konrad, AC, Michael Carney, Diogo Cunha, Rocyr Abbud, and others.