What was the name of Jewish instrumental ensembles that provided music for ritual and secular events both inside and outside Jewish communities?

All of the following were pianists except

a. Louis Armstrong. b. Fats Waller. c. Earl Hines. d. James P. Johnson.

In many Italian films of the early 1950s, directors used slowly paced tracking shots to:

A. draw the viewer's attention to all the planes of an image. B. explore characters' relations within a concrete environment. C. acknowledge the influence of the first Italian superspectacle, Cabiria. D. reveal characters who were momentarily concealed within a locale.