Three reasons why she didn't:
1. In Search of the Rare Item is extremely Hamauzu-styled, and nothing at all like Tanioka.
2. Hamauzu orchestrated it for the arranged album. That's three times Tanioka would have gone uncredited.
3. Chocobo's Mysterious Dungeon was published in 1997; Tanioka didn't join Square till a year later.
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