Whereas in FFIX he used a lot of medieval musical techniques to make that whole high fantasy setting all the more vivid. The Place I'll Return to Someday uses a medieval scale as its basis (can't remember which one, though, sorry), and the instrumentation is also very much like folk pieces from that period. And then we have the rearrangements, with the Ipsen's Castle theme being written as a hocket - a choral piece where more than one voice share the melody by singing alternating notes (hence the name, from the French hoquet meaning hiccup).