polyphony
New York has been a major music hub since the late 1800s.
There have been several of that name. One of note was the musical director of the Scots Guards.
They are taken from Tchaikovsky's Piano Concerto No.1 in B flat major.
Fun is a musical group that has had a few major hit songs. The members are Nate Ruess, he was formally from the band The Format, Andrew Dost, and Jack Antonoff.
polyphony
One major focus of research and development in the early 1990s was the effort to produce mercury-free alkaline batteries.
egyptians and other early civilizations
Musical was an essential part of civic, religious, and courtly life in the renaissance. Various events in the period 1400-1600 led to major changes in styles of composing, new music genres and thedevelopmentof musical instruments. Personally, I believe the most important musicaldevelopmentof the renaissance was the development of musical instruments.
The Atlantic Ocean and the Chesapeake Bay.
the Egyptians and other early developing societies
The Four advances of early culture are control of fire, invention of tools, the beginnings of agriculture, and the development of civilization.
Development of farming. Cooperative living. Bartering. Grouping for communal protection.
Development of the internal combustion engine
development of the internal combustion engine.
During the Old Stone Age (Paleolithic period), major achievements included the development of stone tools for hunting and gathering, the control and use of fire for cooking and warmth, the creation of cave paintings as a form of early art and expression, and the development of social structures and communication among early human communities.
The development of the internal combustion engine