"Dem Dry Bones" is an African-American spiritual arranged by James Weldon Johnson and J. Rosamond Johnson in the 1920s, based on Ezekiel chapter 37.
The Essex was a brand of automobile produced by the Essex Motor Company between 1918 and 1922, and by Hudson Motor Car Company of Detroit, Michigan between 1922 and 1933.
An uncredited appearance by Yvonne Craig (Batgirl from the 1966 Batman series) appears as the bottom go-go dancer in Lily's dream sequence as stated in the book "Batman: Facts and Stats from the Classic TV Show" by Y.Y. Flurch, Dennis O'Fletcher and Rian Hughes (Oct 4, 2016).