.... be caused by the fact that, although the Raderman sides were waxed in 1928, acoustic technology was used in producing these low cost Harmony records?
A muted trumpet is heard in "Ol' Man River" at 1:04-1:15. That must be Manny Klein. Evans and Evans write, "Manny Klein confirmed that the muted trumpet on the release of the first chorus of "Ol' Man River" was his." But the open solo at 2:14-2:37? I still think it is Bix. Remember that Bix's style could change considerably from record to record and this acoustic recording does not help reproducing Bix's amazing sound.
Lou Raderman recorded three sides (Oh Gee! Oh Joy!," "Why Do I Love You?." and "Ol' Man River) on March 3, 1928. Whiteman had waxed two sides on March 1 (Bix was present on "Selections Oof Show Boat" but not on "Ol' Man River") and three sides on March 2 (Bix was on two). Then Whiteman gave a week's vacation to his musicians. Lou Raderman (telephone interview with Phil Evans, 1967) stated that Bix moved into Raderman's hotel room for a few days attracted by some imported booze Raderman had secured. Here are Raderman's words from Evans and Evans,
Bix recorded with my band! Bix was on vacation and moved into my hotel room for a few days. The big attraction ws that I had recently purchased some imported liquor form Europe. Bix offered to help me drink it and I told him he'd have to pay for it. He paid for it by recording with my band and enjoyed the liquor. We had a good time doing both."
Raderman's story sounds quite plausible. How would Raderman know that Bix was on vacation unless the story is factual?
And one last thing: why do people find Manny Klein's statement more believable than Lou Raderman's?