This patent describes an invention providing electronically-induced drive environments for one or more mechanically-vibrating physical elements, including those environments applicable to musical instrument application. The retrieval server S1a of this information retrieval site S1 fetches data representing the details of services respectively provided by a plurality of hotel reservation sites S2, S3,. The decoupling element is designed as a decoupling system having a spring ring and a conical washer. A metallic layer is formed on the backside of the semiconductor substrate including the at least one through-substrate via.