Sorrowful Rap (苦情 rap): This style merges the raw emotional depth and storytelling of traditional "bitter love songs" (苦情歌) with the rhythmic delivery of hip-hop. It typically features slow to mid-tempo beats, often characterized by melancholic, atmospheric production. Think Lo-fi hip-hop aesthetics: minor-key piano loops (possibly sampled), hazy synth pads, sparse percussion, and maybe subtle vinyl crackle effects to enhance the moody, introspective vibe. Instrumentation is generally minimal to keep the focus squarely on the lyrical narrative and the vocalist's emotional expression. The vocal delivery is key, ranging from weary, almost spoken-word rapping that conveys exhaustion and vulnerability, to more intense, agitated passages reflecting anxiety or despair. It might also incorporate sung hooks that are melodic yet deeply sorrowful. The overall mood is introspective, heavy, and laden with a palpable sense of struggle, anxiety, and emotional pain.