[Playlist] some extensions, timing and meta tracks

[Ivo Emanuel Gonçalves]

Considering the amount of idiots who keep posting similar messages, I
wonder why they even bothered to register in the first place.  It
isn't an easy process.  You have to confirm twice that you want to be
part of the list, and you even get information on how to unsubscribe.
Yet, they keep posting the same STOP SENDING ME EMAIL like what, twice
a month?