1 ) A system for participants to perceivably modify a performance, the system comprising: a) at least one communication network; b) at least one participant device connected to the communication network, wherein the at least one participant device is configured to capture one or more participant input actions and to communicate such input actions to a server; c) at least one performer device connected to the communication network, wherein the at least one performer device is configured: i) to trigger an arbitration request to the server; ii) to display the modifications; d) the at least one server being connected to the communication network, wherein the at least one server is configured: i) to execute one or more computer program that aggregates the participant device inputs received through the communication network; ii) to calculate performance modifications based on the aggregated inputs; iii) to communicate the performance modifications to the performer device.