thanks for the report! yes, feel free to open issues on github in dust (noting that it’s a glut bug and assigning me is okay).
regarding this specific bug: as of now, glut always reads only the first (left) channel from loaded samples, because of how SuperCollider GrainBuf ugen works. Stereo sample support will require doubling the number of grain ugens and changing the loading/panning logic a bit (working on that).
you sample here seems to have a huge DC offset in the left channel and that might cause the engine to silence itself. i suggest normalizing it and see if it works. it’s also best to mixdown samples for glut into mono, until the stereo buffers thing is resolved.
