Sydney Leff signed letter. 9 x 11 inches. Sydney Leff was a commercial artist and illustrator of sheet music from the golden age of Tin Pan Alley. In the 1920's and 30's, Mr. Leff designed and drew the covers for nearly 2,000 songs, from enduring standards like, Stormy Weather, and Sweet Georgia Brown to more ephemeral numbers like, Rock Me in a Cradle of Kalua, and, Baby Feet Go Pitter Patter Across My Floor.