Larry Adler sang Gershwin tunes with an orchestra and Adler adding harmonica solos. Adler appeared in five movies, including "Sidewalks of London" (1938), in which he played a harmonica virtuoso named Constantine. His other film appearances were in "Three Daring Daughters" (February 12, 1948) playing himself; "Music for Millions" (December 8, 1944) playing Larry; "The Singing Marine" (July 3, 1937) playing Larry; and "The Big Broadcast of 1937" (October 6, 1936). He was a prolific letter writer, his correspondence with "Private Eye" becoming popular in the United Kingdom. Adler wrote an autobiography—entitled "It Ain't Necessarily So"—in 1985, and was food critic for
Musical instrument among civilizations caused rapid spread and adaptation of most instruments in places far from their origin. By the Middle Ages, instruments from Mesopotamia were in maritime Southeast Asia, and Europeans played instruments from North Africa. Development in the Americas occurred at a slower pace, but cultures of North, Central, and South America shared musical instruments. By 1400, musical instrument development slowed in many areas and was dominated by the Occident. Musical instrument classification is a discipline in its own right, and many systems of classification have been used over the years. Instruments can be classified by their effective range, their