On Feb. 12, 1924, a sassy fusion of jazz and classical music debuted in New York, sparking a mutual exchange of ideas still debated today. 'Rhapsody in Blue': After a century, Gershwin's musical ...

"My idea for the concert," Whiteman wrote in his autobiography, "was to show these skeptical people the advance which had been made in popular music from the day of the discordant early jazz to the ...