At the lunch table:

Relative: Is it possible to reduce the volume of music in a video to make the speech more intelligible?
Me: Well, maybe?
Me: (Looks up ffmpeg options, sees that there's a bandpass filter with examples for speech boost)
Me: Actually, yes! I can even batch-convert it.
Relative: Oh, wonderful!
Me: Where's the video at? Youtube? That's not too hard to get a copy of. (Thinking: please not facebook)

... (1/2)