As well as the Apple iOS 7 download, Apple also released an update version of iTunes, and the iTunes 11.1 download is now available from the Mac App Store.
iTunes 11.1 comes with a range of new features, which include iTunes Radio, Podcast Stations and more, you can see more details of what is included in the update below.
iTunes Radio. Choose from over 250 stations or start a new one from your favorite artist or song. Enjoy iTunes Radio ad-free once you subscribe to iTunes Match.
Genius Shuffle. Introducing a magical new way to experience your music library. Choose Genius Shuffle and iTunes instantly plays songs that go great together. Click it again to hear something new—enjoying your music has never been this easy.
Podcast Stations. You can now create custom stations of your favorite podcasts that update automatically with new episodes. Your stations, subscriptions, and current play position sync over iCloud to the Podcasts app.
Sync with iOS 7. You can now use iTunes to sync your favorite music, movies, and more to devices with iOS 7. In addition, iTunes now makes it even easier to quickly organize and sync apps to your iPhone, iPad, and iPod touch.
You can find out full details about iTunes 11.1 over at Apple.
Source Apple Insider