This episode of The American Tapestry Project begins a two-part series on the life and times of Irving Berlin – The American Songbook and the invention of American popular music culture. In Part One we’ll meet Berlin, discover his immigrant heritage, his experiences on Tin Pan Alley, on Broadway, and in Hollywood musicals as his music sings of America. Meet Irving Berlin andhear the sounds of “American pop” being born on The American Tapestry Project