The merry minstrelsy.

from Samuel Taylor Coleridge – Rime Of The Ancient Mariner on Rap Genius

Meaning

Undoubtedly referring to a group of dancers and/or instrumentalists who went before the bride.
References:
http://en.wikipedia.org/wiki/Minstrelsy http://www.google.com/search?hl=en&client=safari&rls=en&defl=en&q=define:minstrelsy&sa=X&ei=EVgWTcerCYet8AbY4vi6Dg&ved=0CBcQkAE

To help improve the meaning of these lyrics, visit "Rime Of The Ancient Mariner" by Samuel Taylor Coleridge and leave a comment on the lyrics box