You can play your music in a variety of ways, whether the music is from an audio CD or from a collection of digital audio files. To play songs, simply do the following:
(Optional) Insert an audio CD into your Macintosh.
Clear the checkboxes of the songs you don't want to hear.
(Optional) Select Controls ▸ Shuffle ▸ By Songs, By Albums, or By Groupings to scramble the order in which your songs will play.
Click the play button or press the spacebar. The iTunes program starts playing the song at the top of the list.
Rewinding (and Skipping) a Song
Normally iTunes plays an entire audio track from beginning to end. However, if you want to replay part of an audio track or move back to a previous track, you can rewind and play it ...