Apple today released iTunes 11.0.2 which adds a new Composers view for music and other improvements.
About iTunes 11.0.2
This update adds a new Composers view for music, improves responsiveness when syncing playlists with a large number of songs, and fixes an issue where purchases may not show up in your iTunes library. This update also includes other stability and performance improvements.
You can download iTunes 11.0.2 from Software Update.
