Tin Pan Alley music

1. Based on Tin Pan Alley, describe the ways in which industrialization revolutionized the music industry and how this impacted leisure time spend by its middle-class consumers.
2. How did the topical and ideological themes within the Blues deviate from the more conservative subject matter found in Tin Pan Alley?
3. In consideration of emotional sentimentality of content in Tin Pan Alley music, contrast this to the ideologies and primary goals of the songwriters writing the music.