Hooked on music - What makes music so catchy?

The site claims that the results have the potential to provide insights into long term musical memory and therapeutic benefits to Alzheimer's and dementia patients. 

Ready to start contributing? Head on to this site: http://www.hookedonmusic.org.uk/

For more 'tests' such as this one, feel free to check out my other posts:

How Dark is Your Personality?
Stanford Sleepiness Scale: Are You Getting Enough Sleep?
Which TED Talk are you?
Find out your EQ score!
How old are your ears?
How many colours can you see?
Whose #brainchild are you?

Do you ever have trouble telling right from left?

Kuku Kube - Test your eyesight!

Twitch Reflex Challenge!
How Well Do You See Colour?