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
Recorder (musical instrument) Peter Harlan began to manufacture recorders in the 1920s, primarily for education use in the youth movement. Following Harlan’s success, Numerous makers such as Adler and Mollenhauer began commercial production of recorders, fueling an explosion in the instrument’s popularity in Germany. These recorders shared little in common with antiques, with large straight windways, anachronistically pitched consorts, modified fingering systems and other innovations. Nonetheless, the mass production of recorders allowed the instrument to flourish. Indeed, Hindemith's recorder trio for the “Plöner Musiktag” calls for Harlan-type recorders in A-E and D, and Carl Dolmetsch, son of Arnold, was agruably the first virtuoso