… from the dawn of the electrical recording era: Vaughan Williams’s wonderful arrangement of the Gloucestershire Wassail as recorded in 1926 or 1927 by the English Singers, courtesy of Mickey Clark.

UPDATE, 2009:

Looks like the YouTube police pulled it. Good thing I kept the audio track!
{enclose VaughanWilliams.GloucestireshireWassail.EnglishSingers_eq.mp3}