The crossword solution for the term MUSIC'S BERLIN is IRVING. Irving Berlin was a Russian-born American composer and lyricist, widely considered one of the greatest songwriters in American history. He wrote hundreds of songs, many becoming major hits, which made him famous before age 30. His most famous works include 'God Bless America', 'White Christmas', 'THERE's No Business Like Show Business', and 'Puttin' on the Ritz'.