All In, the fourth full-length CD release from Son of Rose (sound and video artist Kamran Sadeghi) comprises recordings made between 2004 and 2009. As he did on his previous, 2007 release Divisions In Parallel, Sadeghi combines real-time digital signal processing and prepared piano (the album lists piano, ebow, drums, electronic treatments as instrumentation) in eight pieces that were recorded live and in which post-production alterations are kept to a minimum. Though organ isn’t listed as one of the instruments, an organ-like sound functions as the nucleus in many tracks and as a result a subtly transcendent aura pervades the release. That organ emphasis also imbues the music with an Eastern and psychedelic aura, perhaps most clearly felt during “All In,” for example, where one can easily imagine a singing group sitting in a circle within a temple chanting along to the organ drone while it glistens and smolders. Elsewhere, Sadeghi wraps lulling ambient drones such as “Row” and “Toward Sensation” in billowing layers of reverberant hiss and disrupts their quietude with percussive ruptures. Static and synthetic sounds constellate around flowing tendrils of shimmering wave-like tones in “Falling Forward” while loud fluttering flourishes persist with indomitable force in “Radii” and then morph into interlocking patterns of staccato chords. Only “Movement Transposed” brings the piano to stage center when its inner strings are dragged across to produce shimmering strums.

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