For religious reasons In LOCATION@1 , when women were not permitted to sing in church or cathedral choirs in the ORGANIZATION@1 , boys were sometimes castrated to prevent their voices breaking at puberty and to develop a special high voice .

For religious reasons In LOCATION@1 , when females were not permitted to sing in church or cathedral choirs in the ORGANIZATION@1 , boys were sometimes castrated to prevent their voices breaking at puberty and to develop a special high voice .
