What role did song pluggers play in the music industry from the nineteenth century until the 1920s?

What is the nickname of the building above?

Ar 5)when providing general information about an artwork, how is the title indicated? a)"title of artwork" b)title of artwork c)title of artwork d)title of artwork 6)select the term that refers to what the artwork is made of. a)iconography b)medium c)form d)context

Im giving free points and brainiest to whoever gets here first lol