Heat Check Roundup: Smino, Ayra Starr, Ghais Guevara and more

Heat Check Roundup: Smino, Ayra Starr, Ghais Guevara and more Enlarge this image toggle caption Vivien Killilea/Getty Images for Interscope Vivien Killilea/Getty Images for Interscope The Heat Check playlist is your source for new music from around the worlds of hip-hop and R&B with an emphasis on bubbling, undiscovered and under-the-radar acts. — Gabby Bulgarelli YouTube Ayra Starr, "Rush" Once you've enjoyed a breakout moment in music, there's really only one thing that can move you from "one-hit wonder" to confidently being co-signed as "next up": consistency. — Sheldon Pearce YouTube Lil Yachty, "Poland" Here's how I imagine the making of "Poland" went: LIL YACHTY: "You recording?" Full of enchanted rapping, complex buildups and jittery arpeggios, the music, dubbed "regalia," is like a classically trained musician's take on Chief Keef — or a Glo Gang disciple's attempt at writing a concerto. — Mano Sundaresan TiaCorine, "Rocket" It's easy to hear the influence of one Nicki Minaj running through the music of TiaCorine, a Winston-Salem rapper balancing both punchy and graceful tendencies.