What was not an advancement in technology and procedures during the years (1926-1950)?

We’ve seen examples of all of the following types of soundtracks except:

The voice of Mother Bates in Psycho can be best described as

In the 1930s-40s, why did a film composer typically hand off the score to an orchestrator after writing it?

Anempathetic sound refers to sound or music that

Question on Gone with the Wind

Questions on the Psycho Dinner Scene

One way in which The Graduate features music is through

The Broadway Melody (1929) opening scene demonstrates:

Part 2: Independent questions (not based on examples)