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The 21 nocturnes are more structured, and of greater emotional depth, than those of Field (whom Chopin met in 1833). Many of the Chopin nocturnes have middle sections marked by agitated expression (and often making very difficult demands on the performer) which heightens their dramatic character.
Chopin's nocturnes were more structured than who?
A: Field

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Tourism is a vital industry for New York City, which has witnessed a growing combined volume of international and domestic tourists receiving approximately 51 million tourists in 2011, 54 million in 2013, and a record 56.4 million in 2014. Tourism generated an all-time high US$61.3 billion in overall economic impact for New York City in 2014.
How many tourists visited New York in 2011?
A: 51 million

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Four days after his birth, Apollo killed the chthonic dragon Python, which lived in Delphi beside the Castalian Spring. This was the spring which emitted vapors that caused the oracle at Delphi to give her prophecies. Hera sent the serpent to hunt Leto to her death across the world. To protect his mother, Apollo begged Hephaestus for a bow and arrows. After receiving them, Apollo cornered Python in the sacred cave at Delphi. Apollo killed Python but had to be punished for it, since Python was a child of Gaia.
Who was a parent of Python?
A: Gaia

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The most significant event between the 7th and 11th century was the Tripartite struggle centered on Kannauj that lasted for more than two centuries between the Pala Empire, Rashtrakuta Empire, and Gurjara Pratihara Empire. Southern India was ruled by the Chalukya, Chola, Pallava, Chera, Pandyan, and Western Chalukya Empires. The seventh century also saw the advent of Islam as a political power, though as a fringe, in the western part of the subcontinent, in modern-day Pakistan. The Chola dynasty conquered southern India and successfully invaded parts of Southeast Asia, Sri Lanka, Maldives and Bengal in the 11th century. The early medieval period Indian mathematics influenced the development of mathematics and astronomy in the Arab world and the Hindu numerals were introduced.
When did Islam begin to become a political power in India?
A:
seventh century