Abstract: The invention provides tele-jam a system and methods for establishing ensembles or groups of participants by a variety of original organizational methods such that the participants interact in real-time (quasi-real-time) in a desired format (strictly predefined format, loosely defined format, or spontaneous format). A host system is provided having servers and client electronic apparatuses connected to the host system by electronic data network. A database of characteristics is stored in the host system, the characteristics including musical details, queries, responses triggered by queries for classifying users based on queried, experimentally detected, or previously stored data including network data transfer delay. Data streams are formed from user's input data and placed on queues corresponding to the particular classifications, and groups of arranged users. Algorithms in the system act on the supplied and/or detected information with capability for subsequently switching/bridging together.