You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "Which American composer of short, light concert pieces and supported by John Williams wrote Blue Tango?" whose answer is Leroy Anderson.
Each document should contain about 30 words, and these documents should contain useful information.

Query: American composer of short, light concert pieces supported by John Williams Blue Tango
Useful Output:

Doc 1: Anderson composed short, light concert pieces, many of which were introduced by the Boston Pops Orchestra under the direction of Arthur Fiedler. John Williams
Doc 2: Leroy Anderson's orchestral miniatures, including 'The Syncopated Clock,' 'Sleigh Ride,' and 'Blue Tango' are among the best-known American concert music.
Doc 3: Bulger's holiday (2:41) -- Blue tango (2:58)  John Williams described him as "one of the great American masters of light orchestral music.  composer
Doc 4: Published for security reasons. Not responsible for content. Often used in bruite force attaks. Please don't use these passwords. 123456 password 123456789
Doc 5: 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