At TDL.... The Tiki's version of "Fever".
At TDS.... a tie... I love "StormRider" score, and JTTCOTE's haunting music themes as you enter the crystal caves in the beginning of the ride. Gives me goosebumps everytime.
I must admit that I really, and I mean REALLY like JttCotE's score. However....I have always been a big fan of John Williams, so my favorite is Indiana Jones Adventure: Temple of the Crystal Skull. The first chamber of Indy has a really interesting musical score....very suspensful. It adds a lot to the immersion level. Although....the soundtrack at DisneySea's Indy is very odd. It always varied a bit each time I rode it....some times it played audio where there wasn't audio before, and sometimes there were more parts of the soundtrack instead of a cut off version.