For more than 200 years, chemists have divided compounds into two categories. Those that were isolated from plants or animals were called organic, while those extracted from ores and minerals were inorganic. Organic chemistry is often defined as the chemistry of carbon. But this definition would include calcium carbonate (CaCO 3) and graphite, which more closely resemble inorganic compounds.
We Are Young. We Are Young by fun. feat. Janelle MonÃ¡e is featured in Hold on to Sixteen, the eighth episode of Season Three. It is sung by New Directions with solos by Finn, Mercedes, Quinn, Rachel, Sam, and Santana. After Sectionals, the New Directions sing it as a victory number at their school.
 We Didn't Start the Fire  is a song by Billy Joel. Its lyrics include brief, rapid-fire allusions to more than 100 headline events between 1949, the year of Joel's birth, and 1989, when the song was released on his album Storm Front. The tune was nominated for the Grammy Award for Record of the Year.