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Studies have shown that when we listen to high-tempo music (songs with a high number of beats per minute, or bpm) during endurance exercise, we perceive our effort as lower than it actually is, which leads to an increased pace and a higher heart rate. Researchers recently designed a follow-up study in which participants jogged outdoors for 30 minutes while listening to Aerosmith's "Livin' on the Edge" (169 bpm) continuously. The next day, participants performed the same activity while listening to Ella Fitzgerald's "From This Moment On" (93 bpm). As expected, listening to that song resulted in participants ________