I just spotted this on GameFAQs and was going to mention it here.
No, Kimon, these are the chants that sound when the camera is flying over the Grubb graveyard just before it reveals the dried-up Mongo River valley highlighted by that beautiful yellow sunrise in the opening sequence. I'm not sure what Stranger says in that part you're refering to.
Flying Scrab … you were playing OSW and you just heard it? It plays in reverse, so that's quite an impressive trick.