Final answer:
All Coon Look Alike to Me was composed by Ernest Hogan, a pioneering African American entertainer influential in the creation of ragtime music.
Step-by-step explanation:
The song All Coon Look Alike to Me was composed by Ernest Hogan, a key figure in the development of ragtime and early American popular music. Hogan was an African American entertainer and is also acknowledged as one of the creators of the vaudeville-style act known as "rag-time" song, which was a precursor to musical genres such as jazz and blues. Despite its popularity, the song is controversial due to its use of racial stereotypes and derogatory language, which reflect the prejudices of the time when it was written around 1896 during the era of ragtime.