This feature wasn't run by GT staff. Some forum members were running it.
I noticed too that it hasn't been happening and when I asked, they said they just hadn't had the time to keep it going.
I wonder if anyone would volunteer to get it going again?
Neal would be a natural, but his schedule is very tight already.
The job is to find/make a royalty-free backing track and post a thread, then later announce the winner.
If anybody is interested, send me a PM?