So, you've got to DJ a wedding or bar/bat mitzvah. You need music that can please crowds of all ages, that can get wallflowers out of their chairs and on to the dance floor. You want popular line ...

IT IS A frigid mid-week evening in New York; snow has been pushed into large mounds on the pavement. But inside Desert 5 Spot, a Western-themed bar in Brooklyn, a group of 20-somethings is bringing ...