Which best describes the irony in the ending of "charles"?

Leading up the to bossa nova, these rhythm styles first hit the us in: (match the dates below). 1914, 1929, 1937, 1940's, 1950s a. the cha cha b. conga via desi arnaz c. mambo, and dizzy gillespie’s band is first to fuse authentic afro-cuban music with jazz d. tango - w.c. handy’s “saint louis blues” & “memphis blues” e. rumba save answer i am finished/submit for grade