title track

Short definition from Wiktionary

Noun

1. 1
   An audio track having the same name as the album, EP or film that it is taken from.
2. 2
   An audio track having the same name as the album, EP or film that it is taken from: The promoted song(s) of an album, most times the single(s), regardless of the title.
3. 3
   The pursuit of a title or the process of winning a title. Often used as on title track. http://www.independent.co.uk/sport/tennis/murray-on-title-track-after-gulbis-victory-971366.html, http://www.dailypennsylvanian.com/home/index.cfm?event=displayArticlePrinterFriendly&uStory_id=bc1eae20-7b19-4f98-8ad8-6710b8f79f6d, http://chronicle.augusta.com/stories/081097/spo_gasouth2.html.