Google for "song stuck in head" revealed some surprising results (I was curious too
):
The Germans call them "Earworms", and the name seems to have migrated into American psychological and cognitive studies.
They occur most frequently in women and musicians (female musicians weren't mentioned...)
http://www.newton.dep.anl.gov/askasc...1/gen01384.htm
http://content.health.msn.com/conten...e/61/67505.htm
http://www.freerepublic.com/focus/news/851038/posts