轻柔连绵雨声

Gentle steady rainfall, soft continuous rain ambience, smooth mid-frequency rain wash with delicate fine droplet texture, warm and rounded, rolled-off highs with no harsh sibilance, steady unchanging intensity from start to finish, seamless infinite loop with no audible join, pure rain only — no thunder, no lightning, no wind gusts, no birds, no dripping, no metal clatter, no sharp transients, no piercing tones, no m