This will be the final segment in Hour 2 of the program. Listen on an NPR station, or online.
For more info about the effects of sound and color on what people believe they are tasting: Professor Charles Spence of Oxford University is one of the most prominent experimenters.
BONUS: The recipe for Bacon-and-Egg ice cream, which Professor Spence used in one of his experiments.
UPDATE: The archived NPR recording and transcript.