Using innovative microphones of his own design, David Dunn takes us into the almost unknown acoustical world inside pine trees, home to an extraordinary array of living sound makers. This intimate sonic environment includes the sounds of the trees' circulatory system, branches moving in the wind, and the communication of insects, most strikingly a concentration of bark beetles (Ips confuses) taking advantage of dry tree tissues in the midst of a prolonged drought. This soundscape composition presents a composite audio portrait of what we might hear in the myriad branches of a single pinyon pine in the foothills of the southern Rockies. In addition to being a compelling listening experience, the recordings presented here suggest that the acoustic behaviors of bark beetles are far more varied than previously realized. Dunn's extensive liner notes include descriptions of the physiology of beetle sound production and make the case for a breaking the mutually self-imposed barriers between science and the arts. 100% of the revenues from sales of this CD will support the work of the Acoustic Ecology Institute.

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