Flatten skill category directory structure

audio-creation/asmr-ambient/references/category-music-mapping.md

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+# Category-Music Prompt Mapping
+
+Maps nature sound categories to background music prompts.
+Music serves as a bed layer — slow tempo, low volume, simple melody, mood-matched.
+
+## Indoor
+
+### rain
+```
+soft gentle piano, lo-fi ambient, cozy rainy day, warm intimate atmosphere, very slow tempo, minimal, dreamy, reverb
+```
+
+### thunder
+```
+dark ambient pads, deep cello drone, cinematic tension, low rumbling bass, very slow, atmospheric, mysterious
+```
+
+### fireplace
+```
+warm acoustic guitar fingerpicking, soft cello, cozy winter evening, intimate, gentle, slow tempo, folk-inspired
+```
+
+### cafe
+```
+jazz piano trio, brushed drums, walking bass, warm, conversational tempo, bossa nova influence, relaxed
+```
+
+### clock
+```
+minimal piano, music box melody, gentle arpeggios, clockwork rhythm, delicate, whimsical, soft
+```
+
+### keyboard
+```
+lo-fi hip hop beats, soft piano chords, vinyl crackle texture, chill, study music, mellow, steady groove
+```
+
+### vinyl
+```
+vintage jazz, warm analog synth, retro lounge, soft saxophone, nostalgic, old-fashioned, gentle swing
+```
+
+## Nature
+
+### ocean
+```
+ambient pad synths, gentle harp arpeggios, slow ethereal, spacious, meditative, new age, flowing
+```
+
+### river
+```
+acoustic guitar harmonics, soft marimba, gentle flute, nature-inspired, flowing tempo, peaceful, transparent
+```
+
+### forest
+```
+soft flute melody, gentle strings, peaceful morning, ambient, minimal, slow, nature-inspired, woodland
+```
+
+### bird
+```
+light acoustic guitar, gentle glockenspiel, pastoral, morning dew, airy, bright, delicate, hopeful
+```
+
+### cricket
+```
+warm ambient pads, soft guitar, summer night, lazy tempo, dreamy, nostalgic, gentle hum, twilight
+```
+
+### wind
+```
+ambient drone, soft piano chords, ethereal pads, spacious, contemplative, very slow, vast, solitary
+```
+
+### snow
+```
+celesta, soft strings, music box, winter silence, crystalline, delicate, cold beauty, sparse, Nordic
+```
+
+## Urban / Transport
+
+### train
+```
+soft rhythmic guitar, gentle percussion matching train rhythm, journey, nostalgic, folk, storytelling, wanderlust
+```
+
+### city
+```
+smooth jazz, muted trumpet, urban night, sophisticated, laid-back groove, city lights, cool
+```
+
+### subway
+```
+electronic ambient, soft synth bass, underground pulse, minimal techno influence, muted, urban, hypnotic
+```
+
+## Special
+
+### whitenoise
+```
+deep ambient drone, very slow evolving pad, binaural texture, meditative, theta waves, healing, minimal
+```
+
+### underwater
+```
+deep sub bass, reverse reverb piano, aquatic textures, slow motion, otherworldly, blue, submerged, echoing
+```
+
+### space
+```
+cosmic ambient, deep space synth pads, sci-fi atmosphere, vast emptiness, stars, ethereal choir, timeless, infinite
+```