Gilberto Mendes was a remarkable Brazilian composer born on 13 October 1922 in Santos, Brazil. He was known for his innovative approach to music and was one of the founders of New Consonant Music, a group that aimed to explore new sound possibilities. Mendes studied piano under Antonieta Rudge and harmony with Sabino de Benedictis, drawing inspiration from the famous composer Villa-Lobos.

His early works showcased the beginnings of bossa nova, and he was deeply influenced by the Noigandres poets, which helped shape his artistic vision. Mendes attended the Santos Conservatory from 1941 to 1948, later studying composition with renowned musicians. He participated in the Darmstadt International Summer Courses for New Music, where he learned from influential figures like Pierre Boulez.

In 1962, he founded the New Music Festival, promoting experimental music. Mendes created various compositions, including orchestral and chamber works.