Yahoo! News - No Cure for Songs Stuck in Your Head:
" - Unexpected and insidious, the earworm slinks its way into the brain and refuses to leave. Symptoms vary, although high levels of annoyance and frustration are common. There are numerous potential treatments, but no cure.
'Earworm' is the term coined by University of Cincinnati marketing professor James Kellaris for the usually unwelcome songs that get stuck in people's heads. Since beginning his research in 2000, Kellaris has heard from people all over the world requesting help, sharing anecdotes and offering solutions.