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Nightlife in and around Boston:

I HEART SWING VALENTINE’S DAY BALL Jessy Carolina sings and plays the washboard, and with the Hot Mess on piano, banjo, guitar, woodwinds, and brass, will deliver classic American blues and jazz for a romantic night of swing dancing. No experience necessary, and singles are welcome. Feb. 14, 8 p.m. lesson (included with admission), 9 p.m.-midnight dancing. $17, $15 students. Crosby Whistle Stop, 24 Roland St., Charlestown.

PARIS BLOHM The young LA producer recently released “Colors” with Tritonal. He stops in Boston on The Colors Tour. Feb. 14, 10 p.m. $20. Royale, 279 Tremont St., Boston.

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