The first steps toward the development of polyphony occurred during the Medieval period, particularly around the 9th and 10th centuries. Early forms of polyphony, known as organum, began to emerge as composers started adding one or more melodic lines to a pre-existing chant. This practice gradually evolved, leading to more complex structures by the 12th century with the advent of notated music, ultimately paving the way for the rich polyphonic traditions of the Renaissance.
When monks in monastery choirs began to add a second melodic line to Gregorian chant.
rise of national women's groups The development that helped women take their first steps toward public life was the rise of national women's groups. The development that helped women take their first steps toward public life was the rise of national women's groups.
Walking upright
take their first steps toward public life
First steps mark an important stage in child development.Apart from the obvious physical advancement, the child is now much more independent and can reach and see higher objects.Read more about child development stages at:child-development-stages
The cast of Steps Toward the Sun - 2009 includes: Walter Jones as Cowboy 2 Paul Schrier as Cowboy 3
Douglas Engelbart
pokemon
Abbie F. Marsh has written: 'First steps toward heaven' -- subject(s): Question books, Sunday schools
mr.siedman knows the answer
it was cool
three