uhmm.. i always listen to Kumi on the gym.. so you might want to try them
Crazy 4 U, Cutie Honey, Real Emotion, Teaser, Selfish, Shake It, Trust You, Get Up & Move, Ningyo Hime, With Your Smile, JUICY, Amai Wana, BUT, FREAKY, Under, Driving, Show Girl, TABOO, Hurry Up!, This is not a love song, Candy, Love Goes Like, Shake It Up, Get It On, Bounce, Lady Go!, Just Go, Butterfly, Super Sonic, Heat, Take Back remix.. (okay i'll stop..
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