Los Angeles sister act HAIM have indeed dabbled with Hip-Hop in the past, whether it be nearly getting recruited as A$AP Rocky 's backing band or appearing on genre-blending Kid Cudi and Childish Gambino tracks... But now they've enlisted rising A$AP Mob emcee, A$AP Ferg to append a ferocious add-on verse to their Days Are Gone album stand-out, "My Song 5." It's not entirely unlike a visual Where's Waldo? of seemingly everyone Danielle, Este & Alana Haim have encountered or befriended while on the road over the last couple years; featured emcee A$AP Ferg , Ke$ha, Vampire Weekend frontman Ezra Koenig , Grimes, Big Sean , SNL comedian Vanessa Bayer, Mama & Papa Haim , producer Ariel Rechtshaid, and even "Artemis" from It's Always Sunny . Leading up to it's Tuesday afternoon release, @HAIMtheband's long-rumored "My Song 5" video was subtly teased with cleverly edited 90's screen-grabs from Sally Jessy Ra...