How often do you want to say 'have you heard of headphones?' each day on the Tube?

[SpookyFrank]

Rain On A Tent — Relaxing Background Sounds

Create your custom rain sound, interactively. Our unique calibration procedure compensates for your audio equipment deficiencies and a possible hearing loss!

mynoise.net

Re-plugging this one. The 'speech blocker' preset seems to work best.