FRIDAY SEPTEMBER 7
THE CHAINSMOKERS AT XS After re-establishing themselves as festival champs, The Chainsmokers are rumored to be working on music with country-pop star Kelsea Ballerini. 10:30 p.m., $30-$50. Encore, 702-770-0097.
SATURDAY SEPTEMBER 8
DIPLO & VALENTINO KHAN AT ENCORE BEACH CLUB Hard Summer fest hero Valentino Khan guest-stars for a Saturday set with frequent collaborator Diplo. 11 a.m., $35-$60. Encore, 702-770-7300.
SUNDAY SEPTEMBER 9
BLUEPRINT SOUND TAKEOVER AT APEX SOCIAL CLUB DJs C-L.A., Kittie, Sincere, Greg Lopez, Direct and Earwaxxx take turns as Blueprint celebrates its third anniversary at the Palms hot spot. 8 p.m., $20-$35. Palms, 702-944-5980.