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Battle of the Alamo from "Texas: An Epitome of Texas History from the Filibustering and Revolutionary Eras to the Independence of the Republic, 1897. Texas Revolution, Texas revolt, Texas independence, Texas history.

6 Wars of Independence

King Cobra snake in Malaysia. (reptile)

9 of the World’s Deadliest Snakes

Small, white rat (genus Rattus) on a glass table. (rodent, laboratory, experiment)

Cruel and Unusual Punishments: 15 Types of Torture

Titanic infographic. The 30th anniversary of its discovery is September 1, 2015. SPOTLIGHT VERSION.

Timeline of the Titanic’s Final Hours

Rural Irish landscape, Sligo, Ireland.

Why Is Ireland Two Countries?

Illustration for Demystified "How Dangerous is Quicksand"

How Deadly Is Quicksand?

African Americans demonstrating for voting rights in front of the White House as police and others watch, March 12, 1965. One sign reads, "We demand the right to vote everywhere." Voting Rights Act, civil rights.

Timeline of the American Civil Rights Movement

chord: Related Content

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Topics

triad augmented sixth chord broken chord root augmented triad diminished triad minor triad major triad chord progression harmony cadence chromaticism key basso continuo microtonal music appoggiatura consonance and dissonance polytonality suspension

Quiz

Young girl wearing a demin jacket playing the trumpet (child, musical instruments, Asian ethnicity)

Sound Check: Musical Vocabulary Quiz