9:30
From 8:00 to 8:15 followed the popular Singing School , in which five thousand persons heartily joined , aided by an enthusiastic precentor , and orchestra , in singing national hymns and other music . During the singing school everybody stood , and with windows lowered , fresh air and music swept through the hall and the hearts of the audience . From 8:15 to 9:30 was given the principal attraction of the evening , a popular lecture , dramatic reading , debate on some burning question , or a professional concert . The entertainments always closed promptly at 9:30 , as many electric cars were in waiting . During the season , free lectures on `` The Art of Cooking , '' `` How to Dress , '' `` The Care of Children , '' `` Housekeeping in General , '' `` The Culture of Flowers , '' etc. , etc. , were given at 3 P.M. in the great hall to the wives and friends of all the ticket holders . The circulation of useful literature was another important feature of the Educational Bureau work . At each entertainment five thousand little books of forty pages each , a wagon-load , were given to the owners of course tickets , as they entered the hall .