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"Sphere Packing" (Subsculpture 15) is a series of 3D-printed pieces designed to concentrate the entire musical production of a composer in a single dense multi-channel device. The size of each sphere is directly proportional to how prolific the composer was, for example the sphere for Johann Sebastian Bach has 48 cm diameter and holds 1100 loudspeakers playing simultaneously Bach's 1100 different compositions, while the sphere for Hildegaard Von Bingen only has 11 cm diameter and 69 loudspeakers. The project presents at a glance the comparative production volume of many composers. As people are a couple metres away from a sphere they hear a quiet murmur of sounds, but as they approach and put their ear up close to individual speakers they can hone in on specific compositions. The series is inspired by American composer Charles Ives' practice of simultaneity as a compositional tool.

Technically, a set of custom-made circuit boards allow the simultaneous playback of thousands of separate sound channels. The spheres are modeled algorithmically and then 3D printed in different materials depending on the composer. Each piece is suspended from a small playback box which is hung from the ceiling of the exhibition space. The piece begins playback immediately upon powering the box with 110 or 220V power. A small remote control allows the curator or collector to set an appropriate volume for the piece, although the piece is very quiet by its very design, even at its maximum volume a sphere produces a din that can be heard from about a 3 m radius. To discern individual compositions the public must be right beside a sphere, 5 cm away.

The recordings used are either in the public domain or legally purchased for the piece. Mitigating copyright concerns is that the volume of each track is extremely quiet and that a track can only be heard in the context of the other music being played-back.