That's total bullshit, chewbacca! Frank is a unique player, and while you can hear the obvious influence of Trane in his playing, he's not "stealing licks" from a "secret source" that he "won't share".
Frank's a very generous person. Ask Sangrey's Quartet Out partner Pete Gallio, he's heard a lot of Frank's Trane tapes (and I'm sure Jim's heard some too). I've heard bits and they are great. I hope they get released someday in a way that is fair to all involved. I'll buy a legit copy for sure.