Thanks to dictionary.com’s word of the day, I now know why I embarassingly often cry to Adele! This is great news. It does nothing to explain why I sob at Disney movies and Folgers commercials, but that’s for another day.
“In particular, Adele embellishes the song with unexpected notes called appoggiaturas, or grace notes. Appoggiatura means “a propping up.” Musically speaking, it is a note that is not essential to the harmony or the melody. The appoggiatura contrasts the melody and creates tension, according to musical psychologists. This tension is relieved when the singer returns to the melody and provides emotional relief to the listener.Then the tears start flowing.”
Read more from Dictionary.com here