IRVING BERLIN ON CROSSCURRENTS, 5/11: Composing songs described as romantic and tragic, feisty and sentimental, homespun and sophisticated, Irving Berlin, one of the most well-known songwriters of the 20th century, was born on this date in 1888. Gavin and Wyatt prepare to sing (or bark) a duet with Irving Berlin at the piano while John is inspired by Berlin’s song list as he prepares his play list. You can celebrate the “King of Tin Pan Alley” by listening to Crosscurrents, 5/11 at 8 a.m.