Name the Composer Quiz! #22 Do you know your classical composers

The video is a quiz titled 'Name the Composer,' where participants are given seven clues to identify a composer. Points decrease from 100 to 40 as clues progress. The clues provide information about the composer's birth, education, editorial work, studies with Ravel, a famous premiere, symphonies, and hymn tunes. The composer is revealed to be Vaughan Williams.

How many symphonies did the composer compose?

What are the names of the composer's best-known hymn tunes?