Epic secures 29 adds for the new Future collaboration "Selfish" f/ Rihanna (A1/Freebandz), just edging out Columbia's Calvin Harris for Most Added, finishing the day with 28 on "Slide" f/ Frank Ocean and Migos. Jason Derulo's "Swalla" f/ Nicki Minaj and Ty Dolla $ign (Warner Bros.) grabs 12 early believers, a week before official impact. DJ Khaled's "Shining" f/ Beyoncé and Jay Z (We The Best/Epic), and Jeremih's "I Think Of You" f/ Chris Brown (Def Jam) also have nice clean-up weeks.