Answer :
It would be “Scott Joplin” as he was the most common musician during the Tin Pan Alley era.
Thcorrcte opton isi e" Scott Joplin"
Scott Joplin was an American African American composer and pianist, one of the most important figures in the development of classical ragtime, for whom he wanted a status similar to that of serious music from Europe and the possibility of admitting extensive compositions such as operas and symphonies.