"Chamber choice: The Voyager 1 space probe, designed to explore the outer Solar System, was launched on 5 Septemer 1977. Twenty-five years later, NASA sought to mark the anniversary with a new commission incorporating space sounds ... The result 'Sun Rings' ... getting its first complete recording - is an intriguing, often moving paean to the twin mysteries of outer space and inner nature. Interweaving mysticism, science and art, and part-written in the aftermath of 9/11, two of its ten movements are choral prayers for universal peace ... It's a pity that the words sung by San Francisco choir Volti are largely submerged. But the singers' ardency is plain under their director Robert Geary".