music: Tangerine by Jason Shaw

sources: 

https://www.womenshistory.org/education-resources/biographies/madam-cj-walker

https://madamcjwalker.com/about/

https://www.history.com/topics/black-history/madame-c-j-walker

https://www.ted.com/talks/dana_kanze_the_real_reason_female_entrepreneurs_get_less_funding/transcript

Check out Self Made on Netflix. it's a dramatization of Sarah's life but it's really good.