Echoic Memory

Sounds can evoke emotionally charged memories.
For instance, the sound of a bell, mounted on a spring,
(also known as jingle bell) puts a smiley on a lot of faces.

Boring nerds in thick glasses call sound memory
http://en.wikipedia.org/wiki/Echoic_memory

Check out what puts a smiley on your face - http://SaveTheSounds.info