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: "Who was the English conductor and Director of Music for the British Broadcasting Corporation, who first performed Ralph Vaughan William's Symphony No. 6?" whose answer is Sir Adrian Boult.
Each document should contain about 30 words, and these documents should contain useful information.

Query: first performance of Ralph Vaughan Williams' Symphony No. 6
Useful Output:

Doc 1: Collins Classics is pleased to present the official audio for Sir Neville Mariner and the Academy of St Martin In-The-Fields' performance of
Doc 2: Ralph Vaughan Williams - Symphony 6 (1948), 1st movement · Comments3.
Doc 3: Vaughan Williams worked on the sixth symphony in the mid-1940s and it was first performed in London in April 1947. By this time the composer was
Doc 4: Vaughan Williams composed Symphony No. 6 between 1944-7 (Scherzo revised in 1950). Its premiere took place on 21st April 1948, at the Royal Albert Hall, London.
Doc 5: Vaughan Williams' Sixth Symphony begins with an apocalyptic scream. It comes in the form of three pitches (F, G, and A-flat) which rise with desperation in