<Li> Gregorio Allegri, Miserere </Li> <P> English Protestant west gallery music included polyphonic multi-melodic harmony, including fuguing tunes, by the mid-18th century . This tradition passed with emigrants to North America, where it was proliferated in tunebooks, including shape - note books like The Southern Harmony and The Sacred Harp . While this style of singing has largely disappeared from British and North American sacred music, it survived in the rural Southern United States, until it again began to grow a following throughout the United States and even in places such as Ireland, the United Kingdom, Poland, Australia and New Zealand, among others . </P> <P> Polyphonic singing in the Balkans is traditional folk singing of this part of southern Europe . It is also called ancient, archaic or old - style singing . </P> <Ul> <Li> Byzantine chant </Li> <Li> Ojkanje singing, in Croatia </Li> <Li> Ganga singing, in Croatia, Montenegro and Bosnia and Herzegovina </Li> <Li> Epirote singing, in northern Greece and southern Albania (see below) </Li> <Li> Iso - polyphony in southern Albania (see below) </Li> <Li> Gusle singing, in Serbia, Montenegro, Bosnia and Herzegovina, Croatia and Albania </Li> <Li> Izvika singing, in Serbia </Li> <Li> Woman choirs of Shopi (Bistritsa Babi) and Pirin, in Bulgaria </Li> </Ul>

When did composers begin to write polyphonic pieces what was this early polyphony like