21.   Turnbull steps into a classroom where the top boys choir is in rehearsal.

22.   While the settings may not be as formal as you had in mind, the choirs are established musical groups.

23.   Choirs are still popular in the Philippines because many Filipinos are Christian.

24.   Hospital officials did not know how long the choir had been on tour in the United States.

25.   The choir had been on a five-week tour of the East Coast, said Leonid Fleishaker of Montavani and Fleishaker Productions, which booked the tour.