Gera Band was founded in 1981 as a quartet. The instrumentation – mostly acoustic – not using any so-called harmonic instrument, which significantly contributed to its characteristic sound. The concept of creation is based on the concept of post-modern mainstream bebopového in conjunction with elements of free jazz, blues, rock and Latin-American rhythms. The repertoire is mostly original compositions by Michal Gera, but also some standard compositions by other authors. Besides prokomponovaných units here apply improvisational skills of individual players. In 1988 there was a change, the saxophone when he was replaced by an electric guitar. Gera Sound Band now has sevřenějším impression and highlighting elements of blues became his straightforward speech.