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: "What song references a man who began playing music as part of The Stanley Brothers?" whose answer is Pony.
Each document should contain about 30 words, and these documents should contain useful information.

Query: song referencing the stanley brothers as part of music career
Useful Output:

Doc 1: The first single, Mother No Longer Awaits Me At Home / The Girl Behind The Bar (Rich-R-Tone 420), was released late in September 1947. Both
Doc 2: The brothers rose to fame performing traditional religious songs in an Appalachian bluegrass style marked by tight, high-pitched harmonies.
Doc 3: By Tony Attwood. Bob Dylan performed “The White Dove” ten times in concert between 2 December 1997 and 3 April 2000.
Doc 4: As the two began their music careers during the 1940s, their voices blended into a smooth mix of Ralph's high-line with Carter's baritone.
Doc 5: The Stanley Brothers (Carter Stanley, 1925-1966, and Ralph Stanley, 1927-2016) were an American bluegrass duo originally hailing from Dickenson