Question: Who added lyrics to a song that was composed by a man described by John Williams as "one of the great American masters of light orchestral music"?
Sentence (from "Leroy Anderson"): Leroy Anderson ( ~ ); (June 29, 1908 – May 18, 1975) was an American composer of short, light concert pieces, many of which were introduced by the Boston Pops Orchestra under the direction of Arthur Fiedler.
Relevant evidence: No