Irving Berlin has been called—by George Gershwin, among others—the greatest songwriter of the golden age of American popular song. James Kaplan, author of the Jewish Lives biography Irving Berlin: New York Genius, underscores Berlin’s unique brilliance as a composer, his witty, wily, and tough Jewish immigrant experience, and his continued relevance in American popular culture today. Music in this Episode: Ethel Merman - There's No Business Like Show Business Fred Astaire - Puttin' on the Ritz Louis Armstrong & Ella Fitzgerald - Cheek to Cheek Frank Sinatra - Cheek to Cheek Lady Gaga & Tony Bennett - Cheek to Cheek Bing Crosby - Play a Simple Melody Nat King Cole - I Love a Piano Billie Holiday - Isn't This a Lovely Day Kate Smith - God Bless America Sam Cooke - The Song Is Ended (But the Melody Lingers on) Ethel Waters - Supper Time The Drifters - White Christmas Tony Bennett - When I Lost You Anita O'Day - Let's Face the Music and Dance Eva Cassidy - Blue Skies