My friend sent me this link > https://www.norbert.de/index.php?id=10 < It is a 24/7 broadcast of various recordings people have sent in. He said the quality varies widely & wildly from near unlistenable to something straight out of the soundboard.
He also mentioned he is going to a Dweezil concert in August. (for those who may not know, Dweezil is Frank's son and does covers of his father's music)
jtk