At the commencement of every piece of music, it is usual to indicate how much each bar is to contain, estimated in minims, crotchets, quavers, or semiquavers, either plain or dotted. An introduction to choral-singing - الصفحة 27 بواسطة James Alexander Hamilton - 1841 - عدد الصفحات: 12 عرض كامل -
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