Patent ID: 8168878

Claim:
A system for performing in concert, comprising: a program stored on a non-transitory computer readable medium configured to receive a music worksheet, the music worksheet comprising musical note information on order, timing, rhythm, and instrumentation; a musical instrument digital interface unit for receiving the music worksheet and producing coded digital signals corresponding to the musical note information; a sequencer for receiving the coded digital signals including at least an order, a timing and a location, decoding the coded digital signals, and forming electronic pulses corresponding to the order, the timing and the location based on the decoded digital signals such that each electronic pulse corresponds to a unique musical note; a sending unit for transmitting the electronic pulses as note signals to members of a choir, wherein the transmitted electronic pulses trigger wireless signals; and at least one receiving unit, being associated with at least one member of the choir, for receiving the wireless signals and causing the receiving unit to alert the member of the choir to play a musical instrument.