CarScoops website has posted, “A Kia EV6 GT-Line S was used for the experiment, equipped with the 14-speaker Meridian Audio sound system. A number of participants with no previous experience with electric vehicles drove the EV6 on an 18-mile (29 km) route that is typical of everyday usage combining traffic-congested urban roads, residential roads, open stretches, and twisty country roads. All of them were listening to a predetermined playlist on the same volume level with fixed sound settings, while an Empatica E4 medical-grade wearable device recorded their biometric measurements.”

“The playlist included the following songs in this specific order: Tycho – Awake, Adele – Hello, The Weeknd – Blinding Lights, Anna Meredith – Nautilus, Kanye West – Fade, and Beethoven – Symphony No. 9 in D Minor, Op.125.”

“The results showed that participants drove up to four times more efficiently while listening to Beethoven compared to certain other tracks.”

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