Reuters | Fitness playlists flow to the beats per minutes.

When fitness instructor Shirley Archer plays Annie Lennox’s song “17 Again” for her indoor cycling class, she urges students to connect with the vitality of their inner 17-year-old legs. When she teaches yoga she rolls out the harp solos. Experts say exercising to the proper music can boost your mood, kick your workout up a notch and channel the energy of a younger you. Continue.