First National Preventive Health Research Programme  YELP Holistic First Business Plan    YELP Holistic First Business Plan Defined Terms   SWOT Analysis   Executive Summary   Deliverables And Costs   Snapshot Page To 10 Benchmark Techniques   Defined Terms for Five YELP Business Plans

Second National Preventive Health Research Programme

First BTAAP Business Plan      Bohémian Teenagers Show Choir Programme        Defined Terms BTSCP

Second BTAAP Business Plan    Bohémian Teenagers Symphony Orchestras Programme    Defined Terms - Bohémian Teenager Symphony Orchestra Programme

Third BTAAP Business Plan    Bohémian Teenager Ballet & Modern Dance Programme        Defined Terms BTB&MDCP

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Church singing, Tacuinum Sanitatis Casanatensis (XIV century)
Medieval Music means the earliest notated music of western Europe is Gregorian Chant, along with a few other types of chant which were later subsumed (or sometimes suppressed) by the Catholic Church. This tradition of unison choir singing lasted from sometime between the times of St. Ambrose (4th century) and Gregory the Great (6th century) up to the present. During the later Middle Ages, a new type of singing involving multiple melodic parts, called organum, became predominant for certain functions, but initially this polyphony was only sung by soloists. Further developments of this technique included clausulae, conductus and the motet (most notably the isorhythmic motet), which, unlike the Renaissance motet, describes a composition with different texts sung simultaneously in different voices. The first evidence of polyphony with more than one singer per part comes in the Old Hall Manuscript (1420, though containing music from the late 1300s), in which there is occasional divisi (where one part divides into two different notes, something a solo singer obviously couldn't handle).

Main article: Medieval music