The want: An inconspicuous pair of earphones for tuning in to Pandora or YouTube videos on your office computer. They need to be comfortable, and the sound quality shouldn't be tinny. They should also be great for the gym.

The get: The Klipsch S4i In-Ear Headphones ($100 at klipsch.com). The earbuds produce dynamic, rich sound—and unbeatable bass—while canceling external noise so you can keep the volume at a safe level. The cord, which is thinner than on a pair of stock headphones, has an easy-to-use remote for adjusting the volume.

Plugged In

What executives listen to while working out

Mark Cuban, Dallas Mavericks owner

Mos Def, Quiet Dog

Black Keys, Howlin' for You

Snoop Dog, Gin and Juice

Travie McCoy, Billionaire

Harvey Spevak, Equinox fitness clubs CEO

Jay-Z, Empire State of Mind

Kings of Leon, Sex on Fire

La Roux, Bulletproof

Janelle Monáe, Tightrope

Nancy London, Westin Hotels' running shoe lending program mastermind

Jackson 5, ABC

Kid Rock, All Summer Long

Madonna, Music

Gloria Gaynor, I Will Survive

Chip Bergh, P&G's Gillette and Old Spice group president

Boston, Rock and Roll Band

Bryan Adams, Summer of '69

Bon Jovi and Sugarland, Who Says You Can't Go Home?

Julie Rice, SoulCycle co-founder

Dr. Dre, I Need a Doctor

Rihanna, S&M

Lady Gaga, Born This Way

Katy Perry, E.T.

Christine Day, Lululemon Athletica CEO

No music: She likes the quiet time. Plus, "Yoga rarely has music that would make the iTunes playlists," she says.

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