It’s an old post I made based on older research:
Hafting, Torkel, et al. “Microstructure of a spatial map in the entorhinal cortex.” Nature 436.7052 (2005): 801.
but thanks to that, pointing at the lateral entorhinal cortex makes total sense as the ordering spot via ramping.
Yup these are the timescales. 30ms sounds about right for music. 33 notes a second is a reasonable human peak of ability for discrete note memorization.