Interscope’s Summer Walker notches 18 adds this week (she already had 21 going into this week) with “Come Thru” f/Usher, and narrowly edged Rod Wave gets 17 stations (he had 15 early adds last week) for “Heart on Ice” (Alamo/Interscope). Warner puts 16 adds on Wale’s “Love.... (Her Fault)” f/Bryson Tiller, followed by 15 commitments from Epic’s French Montana with “Out Of Your Mind.” Republic’s Karol G & Nicki Minaj’s “TUSA” also garners 15 adds, while Columbia’s Baby Keem puts another 10 adds on “Orange Soda.”