The Heart Chamber Orchestra is a one-hour performance that literally creates music “from the heart”.
The orchestra consists of 12 classical musicians of the Trondheim Sinfonietta and the artist duo TERMINALBEACH (made of Pure and Erich Berger.) Using their heartbeats, the musicians control a computer composition and visualization environment. The musical score is generated in real time by the heartbeats of the musicians. They read and play this score from a computer screen.
The musicians and artists are equipped with ECG sensors. A computer monitors and analyzes the state of the 12 hearts. A software analyzes the data and generates via different algorithms the real-time musical score for the musicians, the electronic sounds and the computer graphic visualization. 
While the musicians are playing, their heartbeats influence and change the composition and vice versa. The musicians and the electronic composition are linked via the hearts in a feedback structure. The music is the expression of this process and of an organism forming itself from the circular interplay of the individual musicians and the machine.
Related: brain-orchestra; Sensors_Sonics_Sights.