Ellen Allien and Apparat, two headstrong musicians who indeed differ in their musical context but still come together not just at the peripheral rims, collaborated on an album together: „Orchestra of Bubbles“. By a deep plunge into the world of sound of their counterpart both are trying to find gateways in order to expand their own possibilities. While Apparat used to stand for an algorithms-based aesthetics and Ellen Allien fathomed the possible heights and depths of the dance floor widthways as well, for their joint production they dabble in a principle which electronic music is dedicated to from the very beginning and which is now only spelled differently: Contingency.