Christmas: what makes you shop till you drop?

It's that time of year again. The long-awaited year-end break is in sight and the festivities of the "silly season" have begun.

This is the time to down those Martini's and throw some cash around. And apparently, if shopping malls get their music right, you may be doing more spending than lounging.

Studies have found that Christmas carols may actually affect what you buy and how much you spend.