The character in the US Broadway show "Hamilton" who sings "The Room Where It Happens" is Aaron Burr. The show "Hamilton" is an American musical and is a sung-and-rapped-through musical created by Lin-Manuel Miranda. It tells the story of the American Founding Father Alexander Hamilton. Miranda said he was inspired to write the musical after reading the 2004 biography "Alexander Hamilton" by Ron Chernow.

"The Room Where It Happens" is a song from Act 2 of the musical "Hamilton". The song and musical relates to the life of Alexander Hamilton, his relationships with his family, and his personal dealings with Aaron Burr. The music and lyrics of the musical, including "The Room Where It Happens", were composed by Miranda. This song that Burr sings relates to the Compromise of 1790.

Aaron Burr Jr. (February 1756 – September 1836) was a politician and lawyer. As a Founding Father, he served as the third vice president of the United States during President Thomas Jefferson's first term from 1801 to 1805. His role in forming the new nation has been overshadowed since he killed his fellow Founding Father Alexander Hamilton in an 1804 duel. Later in 1807, Burr was charged with treason. He was acquitted. Burr went to Europe. He returned to New York in 1812 and practiced law.

Born in Newark, New Jersey, British America, Burr's life lasted for 80 years. He died on September 14, 1836 in Staten Island, New York, USA. His wife had divorced him on grounds of adultery.

More Info: en.wikipedia.org