Circles is the second collaborative album by Porcupine Tree drummer Gavin Harrison and multi-instrumentalist, vocalist and extended-range bass player 05Ric. It was released on the Burning Shed record label in 2009.

A review in the December 2009 issue of Drummer Magazine states "Although the music itself is complex, it feels great and retains a sense of space and atmosphere, while Gavin and Ric show themselves to be two of the most inventive musicians around, still retaining the highest level of musicality."

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