Simplify the following text for a Grade 6 native English-speaking person.
Original: The choir had 16 trebles as specified in statutes laid down by Henry VI , and until 1927 the men 's voices were provided by choral scholars and lay clerks .
Simplified: The choir had 16 trebles which was the number that Henry VI said there must be when he founded the college . Until 1927 the men in the choir were choral scholars and lay clerks .