In regard to the question, "Why do some people start new threads for jazz questions?" Honestly, I don't know, but I can speculate in regard to some possibilities.
This might be the longest thread in the history of "Audiogon"; it's so big that people are intimidated when they try and get a feel for what it's about. That sounds like a very good reason to me. If they have a question, and start a thread asking the question they want answered, they are guaranteed of getting responses.
If you notice, this thread is comprised of regulars who have been on this thread since it's beginning on 02-24-2013. Occasionally we'll pick up a knowledgeable aficionado, and lose him after a few pages of quarrels that he has no interest in, and if they continue; he's gone for good.
Apparently Frogman knows how to get under my skin, and get a stupid argument going, because he does it quite frequently, and says "Who me?"
I stated that Milt Jackson is the undisputed king of the jazz vibraphone, actually hoping to open a discussion and ward off any serious debate; especially since Rok had already stated that Milt Jackson was the king.
As it happened, Frogman was the first responder, and there is nothing Frogman likes better than a good argument, and he wont quit with me until he gets one.
So much for that; back to a more serious question that Frogman claims to have the answer to "Why aren't there more posters on this thread?"
If you go through the music threads that date for a year, you will see very few relating to jazz, and even the one's you find will be very specific, and it will be obvious why they asked the question on a new thread, as opposed to coming here. That's my conclusion, if anyone has anything else, please share it.
Enjoy the music.