The flip side to rap getting tougher and more minimal is that it’s also gotten a lot more melodic. None of these artists are singers in the classic R&B sense, but the music they’ve made and the folks they’ve inspired represent a new step in rap’s evolution, if not a total revision of what “rapping” means in the first place. Spacey, hazy, stylish, and hard, here’s a playlist capturing one of the most progressive sounds in rap. Our editors update picks weekly, so if you hear something you like, add it to your library.