It might have been; though I don't recall taking that class. Like you, I might have been sitting in. This was in the early 70's, when Bill was showing films at the Bleecker Street Cinema. He screened a lot of Whale in his classes, as well as what to me were then obscure UK films like "Gaslight"...
Jose, I was also there; though I had seen the 1936 version previously, in one of Bill Everson's classes at NYU. Watching the 1936 version for the first time was mind expanding, like discovering the world is round and not flat. It changed my attitudes about what could be done with film as well as...
In other words, you should watch the 1936 version for the story, the characters, the amazing performances, the human drama, the music, and the magnificent direction of James Whale. If you've never seen any versions of "Showboat", either on the stage or screen, and are curious to know what makes...
It's listed in the press release above:
Special Features: Commentary by Director George Sidney;
Till the Clouds Roll By - Show Boat (1946) Sequence; "Can't Help Lovin' Dat Man" and "Bill"