IT’S ‘YOUR NEW SPRING BOP’ — AND EVEN BABY LUNA LOVES IT On this most blessed New Music Friday — which has already given us a summery collab from Dua Lipa and Calvin Harris , AND an entire album from Cardi B — John Legend has swung through with a certified jam of his own. Or, as he succinctly put in on Twitter , “Your spring bop has arrived.” The singer teamed up with producer BloodPop for “A Good Night,” a disco-infused track about meeting someone in a club who could be “the one.” If “All of You” is an ideal wedding song for a first dance, then “A Good Night” is tailor-made for the afterparty. The track’s accompanying video — which was directed by Mishka Kornai and filmed entirely on a cellphone — plays with online dating in a real-world setting as two people “swipe” on each other. It’s clever, it’s romantic, and it’s probably going to make you dance. Speaking to Refinery29 , Legend explained why he didn’t want the video to star...