“There’s nothing nicer than a tune playing in your head — until you can’t turn it off. The phenomenon has spanned the ages. In 1882, Mark Twain wrote in a short story of an annoying ‘jingling rhyme’ that became indelibly lodged in the author’s mind until he passed the curse along to another hapless victim.”
Link:
http://www.sfgate.com/cgi-bin/article.cgi?f=/c/a/2003/08/12/MN129881.DTL


