Thanks a lot for running the tests on this .. I always wondered but was too lazy to actually do it.

I was thinking too that you could keep a cache index on the PC that would store filename/modification date/hash so you could quickly check moddate to know if you need to recompute the hash, otherwise just use the one from the index file. On the Empeg itself it's pretty easy since you can write the hash into the tags and you know that it's read-only.

ms