István Létmányi started his music carrier at the Centrál Group (Lajos Kiss, Imre Tóth, Ferenc Családi, György Bessenyei, András Czifrák) when he was about to finish his high scool studies. Then he joined Lux, and with this group he participated with great success in almost all festivals organized for nonprofessional pop rock groups. Afterwards he became a professional musician, playing in bars, hotels. He enjoys playing a great variety of music (except rap and rakish music). He regularly performs on bass guitar in the music group of Kaba Summer Theater, and also participates in termporary music projects. The peculiar music world of ANDROID provides him ney challenges and joy.