The crossword solution for the term 'HEAT WAVE COMPOSER' is BERLIN, a six-letter word. Irving BERLIN was an 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 'Heat Wave'.