In the 80-90s people would have actual black people in the minstrel shows. The black minstrels had very uncomfortable posters because of the no emotion presented on them. (There is a theory that Mickey Mouse is actually a minstrel.) The Billy King Poster was a black minstrel who was forced to laugh and not look straight ahead. Another form of the minstrels was the Amos n’ Andy radio talk show, where they were white men acting African American and doing stereotypical comedy scripts. People either loved it or despised it.
Traditional Hawaiian music had been blended with Christian hymns. They adapted forms of guitar, including the Ukulele, which originated in Portugal. They invented the steel guitar. There was a general craze for Hawaiian music, records and pseudo music. Hawaiian musicians and people pretending to be Hawaiian. Old billy Bailey was a version of minstrel Hawaiian. The blues actually originated from Hawaiian music. Country music carries in it blackface minstrelsy and colonial conquest of Hawaii. African American music reflects roots in Africa but also the commercial circulation of Hawaiian and country music.