iTunes 11 for Mac: Play music, video, and more
Use iTunes to play music, movies, TV shows, podcasts, and other items in your iTunes library. You can also play CDs, DVDs, Internet radio stations, and other content from the web.
Play any item in your iTunes library
Do either of the following:
Select an item and click the Play button .
Double-click an item.
A blue dot next to a movie, TV show, podcast, iTunes U lesson, or audiobook means it’s never been played. A blue half-dot means the item hasn’t been played all the way through.