[bx_]

Typo: "sing in" should probably be "sign in"

[jimmytidey]

I rather like it as an idea though, how would it work? I hum a tune that only I know, it lets me in?

[serf]

I like the idea of it as a form of protest more. Like a sit-in, only way more obnoxious.

a tune-dependant sign-in procedure would doom me and the other 'arrhythmics' among us.