Blues deep pass (acoustic soul) + verification suite 5x-20x faster

upright bass via sampler-for-bass (sub gone), sampled organ COMPING not wash, blue-note bends (playbackRate glides, live+press parity), shuffle kit on the true triplet grid, 2-bar call/response with the 1920s 78rpm singer answered by the guitar

Verified: verify: matrix per-cell rebuild hoisted (23s->1.2s), content-addressed cache (0.17s replays), sharding, concurrent press smoke, verify.sh gates: matrix 61/61 (blues 100 vs jazz 99), validate…

▶ Play it: Ballroom Leviathan — a horn-and-piano genre that plays almost entirely sampled instruments https://stellate.app/?genre=bigband&seed=1679&path=814.14134,833.14167,795.14167&xdur=13.122

4343fb2 https://github.com/aboard-io/stellate/commit/4343fb27dce07c73203867fac6f630c655f50836