NOW THAT'S WHAT I CALL MUSIC VOL. 53Over one third of the inclusions on the 53rd Now compilation reached the Top 10 of the Billboard Hot 100, and they're packed into the early portion of the compilation's sequence. Mark Ronson and Bruno Mars' swaggering throwback party number "Uptown Funk," the number one song at the time of the set's release, leads the way, and it's followed by a succession of singles that fared either nearly or just as well. Meghan Trainor's "Lips Are Movin'," Maroon